Math AA SL: Derivatives

#MAASL00045

[Maximum Mark: 7]

g(x)=4x\sinx.

a) Find g^{'}(x)

b) Find the slope of the graph at x=2\pi
Detailed Answer/Video Explanations Answer
#MAASL00046

[Maxmimum Mark: 8]

f(x)=sin(2x) and g(x)=\ln(x)^{2}

a)Find f^{'}(x)

b)Find g^{'}(x)

c)h(x)=f(x) \cdot g(x). Find h^{'}(x)
Detailed Answer/Video Explanations Answer
#MAASL00050

[Maximum Mark: 6]

Let g(x)= 6x\sinx. 

a) Find g^{'}(x)
Detailed Answer/Video Explanations Answer
#MAASL00069

[Maximum Mark: 7]

f(x)=x^{4}

a) Find the first 4 derivatives of f(x)

b)Create a general rule for finding the derivative 
of f(x) 
Detailed Answer/Video Explanations Answer


#MAASL00127

[Maximum Mark: 9]

There is an equation f(x)=x^{2}+1

a) Find f(2)

b) Find f{'}(2)

c) What is the gradient of the equation?
Detailed Answer/Video Explanations Answer

#MAASL00131

[Maximum Mark: 4]

There is a function f(x)=\sin{2x}

Find the derivative of the function
Detailed Answer/Video Explanations Answer

#MAASL00132

[Maximum Mark: 7]

There is a function f(x)= x^4+x^3+6x

a) Find the derivative of the function

b) Find the gradient at x=1
Detailed Answer/Video Explanations Answer
#MAASL00068

[Maximum Mark: 7]

f(x)= \frac{h(x)}{g(x)}, where h(4)=36, g(4)=12,
h^{'}(4)=10, and g^{'}(4)=4.

a)Find the normal line equation to graph f at x=4
Detailed Answer/Video Explanations Answer
#MAASL00078

[Maximum Mark: 7]

There is a curve y=x^{2}-1
Point T is the point where x=2

a) Find the slope of the curve of T at point x=2

b) The normal to the curve at point T hits the x axis at point P
Find the coordinates of point P
Detailed Answer/Video Explanations Answer
#MAASL00140

[Maximum Mark: 7]

There is a curve f(x)=2px^{2}+qx, where p and q are constants

The point (2,4) exists on the curve

The tangent to the curve has a slope of 6

Find p and q
Detailed Answer/Video Explanations Answer

#MAASL00141

[Maximum Mark: 7]

There is a curve f(x)=4px^{2}+2qx, where p and q are constants

The point (2,1) exists on the curve

The tangent to the curve has a slope of 4

Find p and q
Detailed Answer/Video Explanations Answer
#MAASL00142

[Maximum Mark: 7]

There is a curve f(x)=px^{2}+4qx, where p and q are constants

The point (1,1) exists on the curve

The tangent to the curve has a slope of 2

Find p and q
Detailed Answer/Video Explanations Answer

#MAASL00143

[Maximum Mark: 7]

There is a curve f(x)=0.5px^{2}+qx, where p and q are constants

The point (2,4) exists on the curve

The tangent to the curve has a slope of 1

Find p and q

Detailed Answer/Video Explanations Answer
#MAASL00098

[Maximum Mark: 11]

George made an open container rectangular prism
This image has an empty alt attribute; its file name is Screenshot_14.png


The container has height and width represented by x

There is a length of y

The volume is 72 m^{3}

SA(X) represents the surface area of the container

a) Show that SA(x)= \frac{216}{x}+2x^{2}

b) Find SA^{'}(x)

c) If the surface area is a minimum, 

what is the value of the height?
Detailed Answer/Video Explanations Answer
#MAASL00185

[Maximum Mark: 6]

Let f(x)=sin2x and g(x)=ln(2x+4)

a) Find f'(x)

b) Find g'(x)

c) Let h(x)=f(x)g(x). Find h'(x)
 
Detailed Answer/Video Explanations Answer
#MAASL00187

[Maximum Mark: 6]

Let f(x)=cos2x and g(x)=ln(x-2)

a) Find f'(x)

b) Find g'(x)

c) Let h(x)=f(x)g(x). Find h'(x)
Detailed Answer/Video Explanations Answer
#MAASL00188

[Maximum Mark: 14]

Consider f(x)=\frac{1}{3}x^3+x^2-3x. Part of the graph of f(x) is shown below. There is a Maximum point at M, and a point of inflection at P.


 
a) Find f'(x)

b) Find the x-coordinate of M

c) Find the x-coordinate of P

d) The line L is the tangent to the curve of f at (3,9). Find the equation of L in the form y=ax+b
Detailed Answer/Video Explanations Answer

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