If f(x)=2x+1 and $g(x)=x^{2}-1$ then gf=

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If f(x)=2x+1 and $g(x)=x^{2}-1$ then gf=

E

Editor

Sep 18, 2022

If f(x)=2x+1 and $g(x)=x^{2}-1$ then gf=

Difficulty: Easy

A:

(2x+1)^{2}

B:

2x

C:

2(x^{2}-1)

D:

4x^{2}+4x

ID: 63273db8ca83163ac3a106e3