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explain this \( X_{i, j}^{t+1}=\left\{\begin{array}{ll}X_{i, j}^{t} \times \exp ^{\left(\frac{-h}{\times \times T}\right)}, & \text { if } R_{2}<S T \\ X_{i, j}^{t}+Q \times L, & \text { Otherwise }\end{array}\right. \)

asked Nov 27 in Data Science & Statistics by S.A3 (5 points) | 32 views

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Evaluate \( \sum_{k=7}^{17}(-2 k+14) \)

asked Nov 13 in Mathematics by MathsGee Platinum (102k points) | 27 views

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Given: \( f(x)=5 x^{2}+6 x-7 \)

asked Oct 19 in Mathematics by MathsGee Platinum (102k points) | 44 views

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What is a point of inflection?

asked Oct 11 in Mathematics by MathsGee Platinum (102k points) | 83 views

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asked Aug 6 in Mathematics by Rajat-Mishra (3 points) | 52 views

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Determine \(f^{\prime}(x)\) from first principles if it is given \(f(x)=x^2-5\).

asked Jul 30 in Mathematics by MathsGee Platinum (102k points) | 84 views

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The value of \(y^{\prime} / x^{\prime}\) in terms of the angle 0 is given by

asked May 25 in Mathematics by MathsGee Platinum (102k points) | 174 views

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What is \( 1 \div 2 \times 1 \) ?

asked May 14 in Mathematics by MathsGee Platinum (102k points) | 199 views

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\( 6 \div 2(1+2)= \)

asked May 14 in Mathematics by MathsGee Platinum (102k points) | 106 views

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\( \begin{array}{l}\text { If } x=5+2 \sqrt{6} \\ \text { Find } \sqrt{x}+\frac{1}{\sqrt{x}}\end{array} \)

asked May 13 in Mathematics by MathsGee Platinum (102k points) | 125 views

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Work out the value of \(x\)

asked Apr 16 in Mathematics by MathsGee Platinum (102k points) | 163 views

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Calculate the roots of the cubic equation \(x^3-8=0\), show all working.

asked Mar 29 in Mathematics by MathsGee Platinum (102k points) | 326 views

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How do you calculate the derivatives of trigonometric expressions?

asked Mar 15 in Mathematics by MathsGee Platinum (102k points) | 204 views

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How do I compute the derivatives of functions that are explicitly given with some formula?

asked Mar 15 in Mathematics by MathsGee Platinum (102k points) | 195 views

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On a graph, what is an x-coordinate?

asked Mar 7 in Mathematics by Maths-Genie Bronze Status (8.8k points) | 171 views

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Does the mass of the object affect the falling speed?

asked Feb 18 in Physics & Chemistry by MathsGee Platinum (102k points) | 291 views

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Suppose you are walking along the road and observe two cars.

asked Feb 18 in Mathematics by MathsGee Platinum (102k points) | 186 views

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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.

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 187 views

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A certain company sells \(x\) units of a product. Its profit in rands is given by: \(P(x)=-3(x-17)^2+560\).

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 212 views

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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.

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 202 views

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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.

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 185 views

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Give the range and domain of the following graph.

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 202 views

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Determine the equations of the graph: \(y=2^{x-p}+q\)

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 168 views

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Calculate the values of \(g ; h ; i\) in the equation below

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 144 views

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Calculate the values of \(d ; e ; f\) in the equation below

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 195 views

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Calculate the values of \(a; b; c\) in the equation below

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 158 views

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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 \(f\).

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 378 views

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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.

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 168 views

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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 \(A(0 ;-3)\).

asked Jan 30 in Mathematics by AstraNova Diamond (58.6k points) | 152 views

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How do you find the equation of a parabola given its vertex and focus?

asked Jan 28 in Mathematics by AstraNova Diamond (58.6k points) | 193 views

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What is a limit of a function?

asked Jan 27 in Mathematics by AstraNova Diamond (58.6k points) | 247 views

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What is the formula for the perimeter of a triangle?

asked Jan 27 in Mathematics by AstraNova Diamond (58.6k points) | 201 views

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What is the domain and range of the function $y = \frac{1}{x}$?

asked Jan 27 in Mathematics by AstraNova Diamond (58.6k points) | 164 views

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What is the equation of the parabola with vertex at $(3,-2)$ and directrix $y=-1$?

asked Jan 27 in Mathematics by AstraNova Diamond (58.6k points) | 221 views

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What is the equation of the circle with center $(5,3)$ and radius 8?

asked Jan 27 in Mathematics by AstraNova Diamond (58.6k points) | 202 views

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Prove that the roots of a polynomial with real coefficients are either real or come in conjugate pairs.

asked Jan 27 in Mathematics by AstraNova Diamond (58.6k points) | 265 views

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Rewrite \(\cos 3 \mathrm{~A}\) in terms of \(\cos \mathrm{A}\)

asked Jan 24 in Mathematics by AstraNova Diamond (58.6k points) | 200 views

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Rewrite \(\sin 3 \alpha\) in terms of \(\sin \alpha\) :

asked Jan 24 in Mathematics by AstraNova Diamond (58.6k points) | 180 views

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Point \(\mathrm{M}(-5 ;-12)\) is a point on the Cartesian plane and reflex of \(\mathrm{XO} M=\theta\). Calculate the following without the use of a calculator.

asked Jan 24 in Mathematics by AstraNova Diamond (58.6k points) | 216 views

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Determine the domain of the function \(f(x)=\log _2(1-2 x)\).

asked Jan 22 in Mathematics by MathsGee Platinum (102k points) | 154 views

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What is the inverse function of \(f(x)=2 x-4\)?

asked Jan 22 in Mathematics by MathsGee Platinum (102k points) | 176 views

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Define an inverse function

asked Jan 22 in Mathematics by MathsGee Platinum (102k points) | 185 views

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What is the horizontal line test for functions?

asked Jan 22 in Mathematics by MathsGee Platinum (102k points) | 209 views

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Find the vertex of the parabola: \(y = x^2 - 4x + 3\)

asked Jan 14 in Mathematics by MathsGee Platinum (102k points) | 314 views

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Use the completing the square method to rewrite the quadratic equation \(y = x^2 - 2x + 1\) in vertex form.

asked Jan 10 in Mathematics by MathsGee Platinum (102k points) | 199 views

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Determine the vertex and axis of symmetry of the parabola represented by the quadratic equation \(y = -2x^2 + 4x + 3\)

asked Jan 10 in Mathematics by MathsGee Platinum (102k points) | 202 views

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Find the circumference of a circle with radius 4.

asked Jan 9 in Mathematics by MathsGee Platinum (102k points) | 186 views

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Find the equation of the circle with center $(2,3)$ and radius 5.

asked Jan 9 in Mathematics by MathsGee Platinum (102k points) | 191 views

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Find the inverse of the function \(f(x) = 4x - 5\)

asked Jan 9 in Mathematics by MathsGee Platinum (102k points) | 169 views

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Given the function \(f(x) = 3x + 5\), find the inverse function

asked Jan 9 in Mathematics by MathsGee Platinum (102k points) | 148 views

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Recent questions tagged graph