Which of the following best describes a critical number of a function defined on an…

MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

Which of the following best describes a critical number of a function

f

defined on an open interval? (a) A number

c

in the domain of

f

for which

f''(c)=0

. (b) A number

c

in the domain of

f

for which

f'(c)=0

. (c) A number

c

in the domain of

f

for which

f'(c)=0

f'(c)

does not exist. (d) A number

c

in the domain of

f

for which

f(c)=0