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Question

(a) The graph in the figure given below is made of line segments joined end to end. At which points of the

interval [-4,6] is f' not defined? Give reasons for your answer.

(b) Graph the derivative of f.

(-4,0)

-8

-4

6

Ау

-4-

2

-2

--4-

-6

(0,2)

(6,2)

8

(1,-2) (4,-2)

X

Question 3 of 29 >

Q

Q

C...

(a) Choose the correct answer below.

This quiz: 29 point(s) possible

This question: 1 point(s) possible

O C.

O A. f' is not defined at x = 0, x= 1, and x = 6 because at these points the graph has cusps.

O B. f' is not defined at x = -4, x= 1, and x = 4 because at these points the graph has

corners.

10

O C. f' is not defined at x = -4, x= 1, and x = 4 because at these points the graph has cusps.

O D. f' is not defined at x=0, x= 1, and x = 4 because at these points the graph has corners.

(b) Choose the correct graph of the derivative of f below.

O A.

Co

10+ 0

0●

co

H18

o-o

oto

Q

O B.

o

O D.

-10

O

90+0₂

00

Ay

lot 80to

co

00

Added

Q

Comment

Q

Fig: 1