JEE MATHEMATICS MCQ: FUNCTIONS

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Application +4 | -1

f: R \rightarrow R, f(x)=2 x-1

and

g: R \rightarrow R, g(x)=x^2

then

(g \circ f)(x)

equals?

View answer and explanation

Correct option: B

(2 x-1)^2

The correct answer is B ((2x-1)²) because it is the result of substituting f(x) into g(x).

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