Let be differentiable for all and let

MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

Let

h(x)

be differentiable for all

x

and let

f(x)=(kx+e^x)h(x)

, where

k

is a constant. If

h(0)=5

,

h'(0)=2

, and

f'(0)=18

, then the value of

k

is: (a)

5

(b)

4

(c)

3

(d)

2.2

Related theory

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