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JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

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Application +4 | -1

Let

f:R \to R:f\left( x \right) = {x^2}\;and\;g:R \to R:g\left( x \right) = x + 5

, then

gof

is

View answer and explanation

Correct option: D

\left( {{x^2} + 5} \right)

Option D (

{x^2} + 5

) is correct because gof(x) = g(f(x)) = g(x²) = x² + 5.

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