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Differentiation - Sum, Diff, Chain Rules and First Principle

Total questions: 60

Worksheet time: 2hrs 26mins

Name
Class
Date
1.

Differentiate sin3x

a)

3sin2x

b)

3sin2xcosx

c)

cos3x

d)

3sinxcosx

2.

Differentiate sinx3

a)

3x2cosx3

b)

3x2sinx3

c)

sin3x2

d)

3x2sinx3cosx3

3.

Differentiate cos(1-3x)

a)

-sin(1-3x)

b)

-3cos(1-3x)

c)

3sin(1-3x)

d)

-3cos(1-3x)sin(1-3x)

4.

Differentiate sin(2x-2)

a)

2cos(2x-2)

b)

cos(2x-2)

c)

2sin(2x-2)cos(2x-2)

d)

2sin(2x-2)

5.

Differentiate cos(x2+x)

a)

(-2x-1)sin(x2+x)

b)

-sin(x2+x)

c)

(-2x+1)sin(x2+x)

d)

-sin(x2+x)cos(x2+x)

6.

Differentiate ln(sinx)

a)

secx

b)

cosecx

c)

1

d)

cotx

7.

Differentiate ln(cos2x)

a)

2secx

b)

sec2x

c)

-2tanx

d)

½cosec2x

8.

Differentiate ln(cos3x)

a)

3sec3x

b)

tan3x

c)

sec3x

d)

-3tan3x

9.

Differentiate sin3xcosx

a)

3sin2xcosx+sin4x

b)

3sin2xcosx-sin4x

c)

3cos2xsin2x-sin4x

d)

3cos2xsin2x+sin4x

10.
a)

-2x2 - x + 9

b)

-2x2 + x + 9

c)

2x2 - x + 9

d)

2x2 - x - 9

11.

Find the derivative of the function:

f (x) = 2x - 5x6

a)

f '(x)= 2 - 30x

b)

f '(x) = 2-30x5

c)

f '(x) = -30x5

d)

f '(x) = -150x4

12.
Set up the derivative of y=(3x- 7)*(5x+ 1)
a)
(12x3)*(10x)
b)
(3x4 - 7)*(10x) + (12x3)*(5x2 + 1)
c)
(3x4 - 7)*(10x) - (12x3)*(5x2 + 1)
d)
(3x4 - 7)/(10x) + (12x3)/(5x2 + 1)
13.
Find the derivative of y = 2x2 (3x - 4)
a)
6x3 - 8x2
b)
18x2 - 16x
c)
15x- 6x
d)
6x - 4
14.

Find theDerivative

a)

x5-3

b)

-10x6

c)

x5-5

d)

-10x-6

15.
Find the derivative of the given equation
f(x) = x4 + 4x- 2x2
a)
x3 + x- x
b)
4x3 + 12x+ 4x
c)
4x + 12x - 4x
d)
4x3 + 12x- 4x
16.

Find the derivative

a)

9x2+2

b)

3(x2+2)/(x2+2)2

c)

(-3x2+4x +6)/(x2+2)2

d)

(-3x2+10)/(x2+2)2

17.

Find the derivative of the function of time t: y = 6t + 15t2 - 2

What is the velocity of the function at time t = 2 s?

a)

64 m/s

b)

60 m/s

c)

66 m/s

d)

70 m/s

18.

The position of an object is given by y = 2t + 3t3. what is the velocity of the object at t = 2 s?

a)

38 m/s

b)

27 m/s

c)

16 m/s

d)

49 m/s

19.
If the position of a particle is represented by x(t) = -t2 + 1, what is its instantaneous velocity at t = 1?  
a)
v = 0
b)
v = 1
c)
v = -1
d)
v = -2
20.

Find the derivative.

f(x) = -8x-3 + 5x - x2

a)

f'(x) = -24x-4 + 5 - 2x

b)

f'(x) = 24x-4 + 5 - 2x

c)

f'(x) = 24x-2 + 5 - 2x

d)

f'(x) = 24x-4 + 5 - 2x

21.
Find the derivative
f(t) = (t2 + 2t)5
a)
f'(t) = 5(2t+2)4
b)
f'(t) = 5(t2 + 2t)4
c)
 f'(t) = 5(t2 + 2t)4(2t)
d)
f'(t) = 5(t2 + 2t)4(2t + 2)
22.
a)

16x-1/2

b)

-4x-3/2

c)

4x1/2

d)

-4x-3/2

23.
a)

5 / (2x+3)2

b)

13 / (2x+3)2

c)

(12x + 13) / (2x+3)2

d)

12x+13

24.
Find the derivative of f(x) = 6x30 -2x15 + 4x3 - 2x + 1
a)
f'(x) = 18x29 + 30x15 + 12x
b)
f'(x) = 180x29 - 30x14 + 12x2 
c)
f'(x) = 180x29 - 30x14 + 12x2 - 2
d)
f'(x) = 180x29 - 30x14 + 12x2 +1
25.
If the position function for a particle is s(t) = -t2 - t, what is the instantaneous velocity function for the particle? 
a)
v(t) = -2
b)
v(t) -2t - 1 
c)
v(t) = t3
d)
v(t) = -t
26.
f(x)=5x
find f'(x)
a)
5
b)
1
c)
0
d)
5x
27.
f(x)=x3
f'(x)=
a)
x2
b)
3x2
c)
6x
d)
3x
28.
g(x)=7x+1
g'(x)=
a)
7
b)
7x
c)
7x+1
d)
0
29.
y=5x2+ 3x + 9
dy/dx = 
a)
10x
b)
10x+3
c)
10x2+3
d)
10
30.
f(x)= 9/∛x
f'(x) =
a)
9x-1/3
b)
-3x-4/3
c)
-9x2/3
d)
-3x2/3
31.
Derivative means the same thing as
a)
slope of the tangent line
b)
slope of the normal line
c)
exponent
d)
potato
32.

Select the correct derivative of:

4 cos x + 3x - x½

a)

3 + ½ x - 4 sin x

b)

3 - ½ x1.5 - 4 sin x

c)

3 - ½ x - 4 sin x

d)

3 - ½ x + 4 sin x

33.

Select the correct derivative of:

3ex - 2x3 + 3

a)

3 - 9x2

b)

3ex + 2x2 + 3x

c)

- 6x2 + 3

d)

3ex - 6x2

34.

Select the correct derivative of:

- 2x2 + 4e2x + 3 ln x

a)

8e2x - 4x + 3

b)

- 4x + 8e2x + 3/x

c)

- 4x + 8ex + 3/x

d)

4x + 8ex + 3/x

35.

Select the correct value of the derivative of:

5x + 2 sin x if x = 1

a)

6.081

b)

6.683

c)

7

d)

5.035

36.

Select the correct value of the derivative of:

3 cos x + ln x

if x = 2

a)

-2.035

b)

0.7978

c)

3.421

d)

0.5884

37.

Select the correct derivative of:

3 sin x + 2 cos x + 5:

a)

cos x - sin x + 5

b)

( - 2 sin x + cos x )

c)

5 - 2 sin x + 3 cos x

d)

3 cos x - 2 sin x

38.

Select the correct derivative of:

y = 3x

a)

(3/2) x 3/2

b)

(-3/2) x -3/2

c)

-1.5 x1/2

d)

(-2/3) x -3/2

39.
Find the derivative of the given equation
f(x) = x3 + x2 + 3
a)
3x2 + 2x
b)
3x + 2x 
c)
3x + 2x + 3
d)
x3 + x2 
40.
Find the derivative of f(x) = 6x30 -2x15 + 4x3 - 2x + 1
a)
f'(x) = 18x29 + 30x15 + 12x
b)
f'(x) = 180x29 - 30x14 + 12x2 
c)
f'(x) = 180x29 - 30x14 + 12x2 - 2
d)
f'(x) = 180x29 - 30x14 + 12x2 +1
41.
What is the derivative of xn?
a)
(n-1)xn
b)
nxn+1
c)
(n+1)xn-1
d)
nxn-1
42.
Find the derivative of:
f(x) = -5/x4
a)
-20/x5
b)
20/x5
c)
-20/x3
d)
20/x3
43.
Find the derivative of:
f(x) = (x+1)6
a)
12(x2 + 1)6
b)
12x(x2 + 1)6
c)
12x(x2 + 1)5
d)
12(x2 + 1)5
44.

A hypothetical cube shrinks so that the length of its sides are decreasing at a rate of 4 m/min. At what rate is the volume of the cube changing when the sides are 5 m each?

a)

-296 m3/min

b)

-297 m3/min

c)

-300 m3/min

d)

-307 m3/min

45.

A spherical snowball melts so that its radius decreases at a rate of 4 in/sec. At what rate is the volume of the snowball changing when the radius is 4 in?

a)

-262π in3/sec

b)

-247π in3/sec

c)

-256π in3/sec

d)

-263π in3/sec

46.

Water leaking onto a floor forms a circular pool. The radius of the pool increases at a rate of 4 cm/min. How fast is the area of the pool increasing when the radius is 10 cm?

a)

86π cm2/min

b)

89π cm2/min

c)

80π cm2/min

d)

71π cm2/min

47.
a)
8x4 -60x2
b)
16x4
c)
(8x4 -60x2)/(2x2-5)2
d)
3x
48.
Differentiate:
f(x) = x7 (5 + 8x)3
a)
f '(x) = x2 (5 + 8x)6 (35 + 80x)
b)
f '(x) = x6 (5 + 8x)2 (35 + 80x)
c)
f '(x) = 8x7 (5 + 8x)2 (35 + 80x)
d)
f '(x) = x6 (5 + 8x)3 (35 + 80x)
49.
a)

h=-16h2+16t+12

b)

h=-16h2+12t+16

c)

h=-16h2+16t

d)

h=16h2+16t+12

50.
a)

a)-90 f/sec b)-64 , -96 f/sec c)7.89sec d)-188.5 f/sec

b)

a)-80 f/sec b)-64 , -96 f/sec c)5.89sec d)288.5 f/sec

c)

a)-80 f/sec b)64 , 96 f/sec c)5.89sec d)-188.5 f/sec

d)

a)-80 f/sec b)-64 , -96 f/sec c)5.89sec d)-188.5 f/sec

51.
Given that f(x) = x2 - 3x, which of the following represents f(x + h)
a)
x2 - 3x + h
b)
x + h2 - 3x + h
c)
(x + h)2 - 3(x + h)
d)
x2 + h - 3x + h
52.

What is the equation of the line tangent to f(x)= 4x2+2x-1 at x=0?

a)

y+1=2(x+1)

b)

y=2x-1

c)

y=2x+2

d)

y= -x-1

53.
f(x) = 2x2 + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].
a)
2
b)
1/2
c)
-2
d)
-1/2
54.

f(x) = 2x2 + 12x + 16

What is the instantaneous rate of change of f(x) at x=-3 and x=-2.

a)

f '(-3) = 3 and f '(-2) = 0

b)

f '(-3) = 0 and f '(-2) = 4

c)

f '(-3) = -2 and f '(-2) = 0

d)

f '(-3) = 1 and f '(-2) = 5

55.
What is the equation of the line normal to f(x)=5x5-2x  at x =-1?
a)
y+3=23(x+1)
b)
y+3=-1/23 (x+1)
c)
y-7=-1/23 (x+1)
d)
y-7=-27(x+1)
56.

At the turning point. The dy/dx is.....

a)

= 0

b)

> 0

c)

< 0

d)

= 1

57.
A dam with a capacity of 900,000 litres is being filled at a rate given by V = 150t, where t is measured in minutes and V in litres. The tank will be filled in:
a)
5000 hours
b)
83 hours and 20 minutes
c)
8 hours and 20 minutes
d)
100 hours
58.
For the position function x(t) = 2t2 + 3t - 3, t ∈ [0, 10], the starting and finishing positions respectively are:
a)
-3 and 33
b)
-3 and 63
c)
-3 and 227   
d)
0 and 39
59.
A ball was thrown vertically upwards and the height, s metres, it reached after t seconds was given by s=28t−16t2 The greatest height reached by the ball was
a)
12¼m
b)
14⅛m
c)
16¾m
d)
10½m
60.
The function y=x3+5x2−8x has
a)
a local minimum when x=−4 and a local maximum when x=2/3
b)
a local maximum when x=−4 and a local minimum when x=2/3
c)
a local maximum when x=4 and a local minimum when x=−2/3
d)
a stationary point of inflection when x=−4 and a local maximum when x=2/3