Editor
Editor
 Sep 18, 2022
0
If f(x)=2x+1 and $g(x)=x^{2}-1$ then $g^{2}(x)=
Difficulty: Easy
A: 
$x^{4}-2x^{2}$
B: 
$x^{4}+1-2x^{2}$
C: 
$2x^{4}-1$
D: 
$2x^{4}+1$
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NETNUST Entry TestMathematicsFunctions and Limits