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Home
Tag
graph
Recent questions tagged graph
54
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1
answers
Recall that one construction of the weight matrix for a graph on data points $\{ x_i \}_{i=1}^n$ is to use the Gaussian kernel
Recall that one construction of the weight matrix for a graph on data points $\{ x_i \}_{i=1}^n$ is to use the Gaussian kernel $$W_{ij} = \begin{cases} \exp(-\Vert x_i - ...
MathsGee
Platinum
113k
points
MathsGee
asked
Mar 10
Mathematics
weight
matrix
graph
data
points
gaussian
kernel
+
–
111
views
1
answers
\( \int \frac{x}{x^{2}+4 x+5} d x \)
\( \int \frac{x}{x^{2}+4 x+5} d x \)
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 17
Mathematics
integration
function
derivative
inflection
evaluate
graph
sketch
+
–
139
views
1
answers
\( \begin{array}{l}200 \% \times 200 \%=? \\ \begin{array}{ll}\text { A. } 40 & \text { C. } 4 \\ \text { B. } 400 \% & \text { D. } 0.4 \%\end{array}\end{array} \)
\( \begin{array}{l}200 \% \times 200 \%=? \\ \begin{array}{ll}\text { A. } 40 & \text { C. } 4 \\ \text { B. } 400 \% & \text { D. } 0.4 \%\end{array}\end{array} \)
MathsGee
Platinum
113k
points
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asked
Feb 17
Mathematics
determinant
calculus
function
graph
domain
+
–
71
views
1
answers
Suppose that \( u \) is continuous on \( [a, b] \) and differentiable on \( (a, b) \). Then there is a point \( \xi \) in \( (a, b) \) such that \[ u(b)-u(a)=u^{\prime}(\xi)(b-a) \]
Suppose that \( u \) is continuous on \( [a, b] \) and differentiable on \( (a, b) \). Then there is a point \( \xi \) in \( (a, b) \) such that\[u(b)-u(a)=u^{\prime}(\xi...
MathsGee
Platinum
113k
points
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asked
Feb 16
Mathematics
function
integration
concave
inflection
graph
derivative
sketch
+
–
84
views
1
answers
Find the derivative of the function \( f(x) = x^3-4x+8\) from first principles
Find the derivative of the function \( f(x) = x^3-4x+8\) from first principles
MathsGee
Platinum
113k
points
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asked
Feb 15
Mathematics
function
derivative
domain
graph
differentiation
first-principles
transformation
+
–
122
views
1
answers
Why is a graph of a sequence discrete?
Why is graph of sequence discrete?
Th1391
103
points
Th1391
asked
Feb 14
Mathematics
graph
of
sequence
discreet
+
–
86
views
1
answers
Evaluate the limit of \(f(x)=x^2-5x+6\) as \(x\) approaches \(3\)
Evaluate the limit of \(f(x)=x^2-5x+6\) as \(x\) approaches \(3\)
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 14
Mathematics
calculus
function
graph
limit
domain
integral
real
+
–
126
views
2
answers
The selling price \( P \) of an item is \( 100-0.02 x \) dollars, where \( x \) is the number of items produced per day. If the cost \( C \) of producing and selling \( x \) items is \( 40 x+15,000 \) dollars per day, how many items should be produced and sold every day in order to maximize the profit?
The selling price \( P \) of an item is \( 100-0.02 x \) dollars, where \( x \) is the number of items produced per day. If the cost \( C \) of producing and selling \( x...
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 7
Mathematics
product
marketing
graph
inflection-point
firm
sample
sales
+
–
66
views
1
answers
Evaluate: \( \frac{d y}{d x} \) if \( y=x^{2}-\frac{1}{2 x^{3}} \)
Evaluate: \( \frac{d y}{d x} \) if \( y=x^{2}-\frac{1}{2 x^{3}} \)
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 6
Mathematics
function
equation
integration
derivative
differential
inflection
graph
+
–
62
views
1
answers
Differentiate \( f(x) \) from first principles if \( f(x)=-2 x^{2}+3 \).
Differentiate \( f(x) \) from first principles if \( f(x)=-2 x^{2}+3 \).
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 6
Mathematics
function
derivative
graph
differentiation
first-principles
transformation
intercepts
+
–
78
views
1
answers
Sketched below is the graph of \( g(x)=-2 x^{3}-3 x^{2}+12 x+20=-(2 x-5)(x+2)^{2} \)
Sketched below is the graph of \( g(x)=-2 x^{3}-3 x^{2}+12 x+20=-(2 x-5)(x+2)^{2} \)\( \mathrm{A} \) and \( \mathrm{T} \) are turning points of \( g \). A and \( \mathrm{...
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 6
Mathematics
graph
equation
coordinates
point
midpoint
vertices
gradient
+
–
66
views
1
answers
Determine \( f^{\prime}(x) \) from first principles if \( f(x)=-3 x^{2} \).
Determine \( f^{\prime}(x) \) from first principles if \( f(x)=-3 x^{2} \).Determine, using the rules of differentiation:\[\frac{d y}{d x} \text { if } y=\frac{\sqrt{x}}{...
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 6
Mathematics
function
graph
derivative
differentiation
first-principles
transformation
intercepts
+
–
110
views
1
answers
Explain why \(z1 \times z2 = (\bar{z1}\times z2 + z1 \times \bar{z2})/2\)
Explain why \(z1 \times z2 = (\bar{z1}\times z2 + z1 \times \bar{z2})/2\)
MathsGee
Platinum
113k
points
MathsGee
asked
Jan 12
Mathematics
function
graph
calculus
determinant
integral
domain
marketing
+
–
140
views
1
answers
What does \(5y – 1\) mean in words?
What does \(5y – 1\) mean in words?
MathsGee
Platinum
113k
points
MathsGee
asked
Jan 9
Mathematics
calculus
function
graph
limit
integral
domain
real
+
–
119
views
1
answers
If \( h(x)=\frac{x^{2}-1}{x+1} \), find \( h^{-1}(x) \)
If \( h(x)=\frac{x^{2}-1}{x+1} \), find \( h^{-1}(x) \)
tecyzeeee
135
points
tecyzeeee
asked
Jan 9
Mathematics
function
calculus
calculate
limits
graph
integral
domain
+
–
168
views
1
answers
explain this \( X_{i, j}^{t+1}=\left\{\begin{array}{ll}X_{i, j}^{t} \times \exp ^{\left(\frac{-h}{\times \times T}\right)}, & \text { if } R_{2}<S T \\ X_{i, j}^{t}+Q \times L, & \text { Otherwise }\end{array}\right. \)
explain this \( X_{i, j}^{t+1}=\left\{\begin{array}{ll}X_{i, j}^{t} \times \exp ^{\left(\frac{-h}{\times \times T}\right)}, & \text { if } R_{2}<S T \\ X_{i, j}^{t}+Q \ti...
S.A3
105
points
S.A3
asked
Nov 27, 2023
AI & Data Science
determinant
calculus
function
graph
integral
domain
+
–
135
views
1
answers
Evaluate \( \sum_{k=7}^{17}(-2 k+14) \)
Evaluate \( \sum_{k=7}^{17}(-2 k+14) \)
MathsGee
Platinum
113k
points
MathsGee
asked
Nov 13, 2023
Mathematics
series
grade12
graph
numbers
standard
notation
intercepts
+
–
97
views
0
answers
Given: \( f(x)=5 x^{2}+6 x-7 \)
Given: \( f(x)=5 x^{2}+6 x-7 \)1. Solve for \( x \) if \( f(x)=0 \) (correct to TWO decimal places).2. Hence, or otherwise, calculate the value of \( d \) for which \( 5 ...
MathsGee
Platinum
113k
points
MathsGee
asked
Oct 19, 2023
Mathematics
calculus
function
calculate
equation
graph
limits
solution
+
–
185
views
1
answers
What is a point of inflection?
What is a point of inflection?
MathsGee
Platinum
113k
points
MathsGee
asked
Oct 11, 2023
Mathematics
function
inflection
graph
intercepts
reflection
+
–
200
views
0
answers
st graph
From 30 to \( 90 \mathrm{~s} \),\[\begin{aligned}a & =\frac{d v}{d t} \\& =\frac{d}{d t}(-0.5 t+45) \\& =-0.5 \mathrm{~m} / \mathrm{s}^{2}\end{aligned}\]Displacement,\[s=...
Rajat-Mishra-
103
points
Rajat-Mishra-
asked
Aug 6, 2023
Mathematics
function
calculus
graph
+
–
288
views
1
answers
Determine \(f^{\prime}(x)\) from first principles if it is given \(f(x)=x^2-5\).
1 Determine \(f^{\prime}(x)\) from first principles if it is given \(f(x)=x^2-5\).2 Detcrmine \(\frac{d y}{d x}\) if:2.1 \(y=3 x^3+6 x^2+x-4\)2.2 \(y x-y=2 x^2-2 x \quad ...
MathsGee
Platinum
113k
points
MathsGee
asked
Jul 30, 2023
Mathematics
function
graph
derivative
differentiation
first-principles
transformation
intercepts
+
–
265
views
1
answers
The value of \(y^{\prime} / x^{\prime}\) in terms of the angle 0 is given by
The value of \(y^{\prime} / x^{\prime}\) in terms of the angle 0 is given by
MathsGee
Platinum
113k
points
MathsGee
asked
May 25, 2023
Mathematics
function
graph
value
angle
prime
calculus
real
+
–
332
views
1
answers
What is \( 1 \div 2 \times 1 \) ?
What is \( 1 \div 2 \times 1 \) ?
MathsGee
Platinum
113k
points
MathsGee
asked
May 14, 2023
Mathematics
numbers
graph
intercepts
pattern
scientific
+
–
345
views
1
answers
\( 6 \div 2(1+2)= \)
\( 6 \div 2(1+2)= \)
MathsGee
Platinum
113k
points
MathsGee
asked
May 14, 2023
Mathematics
numbers
graph
intercepts
pattern
bodmas
+
–
237
views
1
answers
\( \begin{array}{l}\text { If } x=5+2 \sqrt{6} \\ \text { Find } \sqrt{x}+\frac{1}{\sqrt{x}}\end{array} \)
\( \begin{array}{l}\text { If } x=5+2 \sqrt{6} \\ \text { Find } \sqrt{x}+\frac{1}{\sqrt{x}}\end{array} \)
MathsGee
Platinum
113k
points
MathsGee
asked
May 13, 2023
Mathematics
function
graph
integral
domain
sine
intercepts
range
+
–
277
views
0
answers
Work out the value of \(x\)
Work out the value of \(x\)
MathsGee
Platinum
113k
points
MathsGee
asked
Apr 16, 2023
Mathematics
mathematics
graph
axis
company
budget
loss
+
–
665
views
1
answers
Calculate the roots of the cubic equation \(x^3-8=0\), show all working.
Calculate the roots of the cubic equation \(x^3-8=0\), show all working. Use latex.
MathsGee
Platinum
113k
points
MathsGee
asked
Mar 29, 2023
Mathematics
equation
graph
cubic
polynomial
coefficients
solve
roots
+
–
416
views
1
answers
How do you calculate the derivatives of trigonometric expressions?
How do you calculate the derivatives of trigonometric expressions?
MathsGee
Platinum
113k
points
MathsGee
asked
Mar 15, 2023
Mathematics
trigonometric
derivatives
functions
common
equation
graph
vertices
+
–
282
views
1
answers
How do I compute the derivatives of functions that are explicitly given with some formula?
How do I compute the derivatives of functions that are explicitly given with some formula?
MathsGee
Platinum
113k
points
MathsGee
asked
Mar 15, 2023
Mathematics
derivatives
functions
trigonometric
common
equation
graph
vertices
+
–
253
views
2
answers
On a graph, what is an x-coordinate?
On a graph, what is an x-coordinate?
Maths-Genie
Bronze Status
9.4k
points
Maths-Genie
asked
Mar 7, 2023
Mathematics
graph
x-coordinate
point
+
–
409
views
1
answers
Does the mass of the object affect the falling speed?
Does the mass of the object affect the falling speed?
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 18, 2023
Physics & Chemistry
mass
velocity
height
graph
ball
symmetry
tome
+
–
254
views
1
answers
Suppose you are walking along the road and observe two cars.
Suppose you are walking along the road and observe two cars. Car A starts from rest and travels along a straight road with a constant acceleration of 3 m/s2 until it reac...
MathsGee
Platinum
113k
points
MathsGee
asked
Feb 18, 2023
Mathematics
velocity
car
speed
points
graph
midpoint
vertices
+
–
353
views
1
answers
The diagram below shows the graphs of \(f(x)=x^2-2\) and \(h(x)=a x^2+b x+c\). The turning point of \(h\) is \(Q(-1 ; 4) . \mathrm{R}\) lies on \(f(x)\) and QR is parallel to the \(y\)-axis.
The diagram below shows the graphs of \(f(x)=x^2-2\) and \(h(x)=a x^2+b x+c\). The turning point of \(h\) is \(Q(-1 ; 4) . \mathrm{R}\) lies on \(f(x)\) and QR is paralle...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
axis
function
symmetry
intercepts
transformation
reflection
+
–
426
views
1
answers
A certain company sells \(x\) units of a product. Its profit in rands is given by: \(P(x)=-3(x-17)^2+560\).
A certain company sells \(x\) units of a product. Its profit in rands is given by: \(P(x)=-3(x-17)^2+560\).Write down the number of units that must be sold to earn a maxi...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
product
graph
marketing
inflection-point
sample
firm
sales
+
–
342
views
1
answers
Given: the graph of \(k(x)=-x^2+3 x+10\) with turning point at \(D\). The graph of the straight line \(h(x)=m x+c\) passing through points \(B\) and \(C\) is also shown.
Given: the graph of \(k(x)=-x^2+3 x+10\) with turning point at \(D\). The graph of the straight line \(h(x)=m x+c\) passing through points \(B\) and \(C\) is also shown. ...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
equation
graph
gradient
vertices
point
midpoint
coordinates
+
–
284
views
0
answers
The sketch shows the graph defined by \(f(x)=a x^2+b x+c\). Which of the following statements \((\boldsymbol{A}, \boldsymbol{B}, \boldsymbol{C}\) or \(\boldsymbol{D})\) is completely true? Circle the correct answer.
The sketch shows the graph defined by \(f(x)=a x^2+b x+c\). Which of the following statements \((\boldsymbol{A}, \boldsymbol{B}, \boldsymbol{C}\) or \(\boldsymbol{D})\) i...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
function
intercepts
symmetry
axis
reflection
transformation
+
–
268
views
1
answers
Give the range and domain of the following graph.
Give the range and domain of the following graph.
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
range
domain
function
graph
intercepts
relation
axis
+
–
280
views
1
answers
Determine the equations of the graph: \(y=2^{x-p}+q\)
Determine the equations of the graph: \(y=2^{x-p}+q\)
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
coordinates
midpoint
vertices
equation
point
gradient
+
–
210
views
1
answers
Calculate the values of \(g ; h ; i\) in the equation below
Calculate the values of \(g ; h ; i\) in the equation below\(y=g \cdot h^x+i\)
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
function
symmetry
intercepts
transformation
axis
equation
+
–
391
views
1
answers
Calculate the values of \(d ; e ; f\) in the equation below
Calculate the values of \(d ; e ; f\) in the equation below\(y=d x^2+e x+f\)
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
function
symmetry
intercepts
transformation
axis
reflection
+
–
234
views
1
answers
Calculate the values of \(a; b; c\) in the equation below
Calculate the values of \(a; b; c\) in the equation below \(y=\dfrac{a}{x-b}+c\)
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
equation
function
intercepts
symmetry
transformation
axis
+
–
516
views
1
answers
The graph of \(f(x)=a x^2+b x+c\) and the straight-line \(g(x)\) are sketched below. A and B are the points of intersection of \(f\) and \(g\). A is also the turning point of \(f\).
The graph of \(f(x)=a x^2+b x+c\) and the straight-line \(g(x)\) are sketched below. A and B are the points of intersection of \(f\) and \(g\). A is also the turning poin...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
coordinates
midpoint
gradient
point
vertices
equation
+
–
218
views
1
answers
The graphs of \(f(x)=-x^2+7 x+8\) and \(g(x)=-3 x+24\) are sketched below. A and B are the \(x\)-intercepts of \(f\) and \(\mathrm{S}, \mathrm{T}\) and \(\mathrm{R}\) are on the same vertical line.
The graphs of \(f(x)=-x^2+7 x+8\) and \(g(x)=-3 x+24\) are sketched below. A and B are the \(x\)-intercepts of \(f\) and \(\mathrm{S}, \mathrm{T}\) and \(\mathrm{R}\) are...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
coordinates
equation
point
midpoint
vertices
gradient
+
–
230
views
1
answers
The graphs of \(f(x)=c^x+d\) and \(g(x)=\frac{a}{x+p}+q\) are sketched below. The graph \(f\) passes through the point \(B(2 ; 5)\) and the two graphs intersect at \(A(0 ;-3)\).
The graphs of \(f(x)=c^x+d\) and \(g(x)=\frac{a}{x+p}+q\) are sketched below. The graph \(f\) passes through the point \(B(2 ; 5)\) and the two graphs intersect at \(A(0 ...
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 30, 2023
Mathematics
graph
midpoint
vertices
coordinates
equation
point
gradient
+
–
275
views
1
answers
How do you find the equation of a parabola given its vertex and focus?
How do you find the equation of a parabola given its vertex and focus?
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 28, 2023
Mathematics
parabola
vertex
graph
calculate
axis
theorem
functions
+
–
596
views
1
answers
What is a limit of a function?
What is a limit of a function?
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 27, 2023
Mathematics
function
calculus
domain
integral
limit
graph
differentiation
+
–
297
views
1
answers
What is the formula for the perimeter of a triangle?
What is the formula for the perimeter of a triangle?
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 27, 2023
Mathematics
vertices
coordinates
point
midpoint
graph
perimeter
triangle
+
–
266
views
1
answers
What is the domain and range of the function $y = \frac{1}{x}$?
What is the domain and range of the function $y = \frac{1}{x}$?
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 27, 2023
Mathematics
domain
range
function
graph
+
–
467
views
1
answers
What is the equation of the parabola with vertex at $(3,-2)$ and directrix $y=-1$?
What is the equation of the parabola with vertex at $(3,-2)$ and directrix $y=-1$?
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 27, 2023
Mathematics
graph
parabola
vertex
calculate
theorem
axis
functions
+
–
282
views
1
answers
What is the equation of the circle with center $(5,3)$ and radius 8?
What is the equation of the circle with center $(5,3)$ and radius 8?
AstraNova
Diamond
67.9k
points
AstraNova
asked
Jan 27, 2023
Mathematics
graph
vertices
angles
bisectors
equation
line
vectors
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