The derivative of a function on the interval is given by

MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

The derivative of a function on the interval

(2,5)

is given by

f'(x)=4x-k

. The function will be strictly increasing on

(2,5)

when (a)

k>8

(b)

k<20

(c)

k<8

(d)

k=8