JEE MATHEMATICS MCQ: FUNCTIONS

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Application +4 | -1

g(x)= x^2+x-2

and

\frac{1}{2}(g \circ f)(x)=2 x^2-5 x+2

, then

f(x)

is equal to:

View answer and explanation

Correct option: A

2 x-3

The correct answer is A (2x-3) because it is the function f(x) that satisfies the given composition equation.

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