JEE MATHEMATICS MCQ: FUNCTIONS

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Application +4 | -1

Suppose

f

and

g

both are linear function with

f(x)=-2 x+1

and

f(g(x))=6 x-7

, then slope of line

y=g(x)

is -

View answer and explanation

Correct option: B

-3

Option B (-3) is correct because the slope of g(x) is found by differentiating f(g(x)) and using the given f'(x).

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