A) \[{{x}^{2}}-1\]
B) \[2{{x}^{2}}-1\]
C) \[3{{x}^{2}}-2\]
D) \[2{{x}^{2}}+2\]
Correct Answer: C
Solution :
\[(gof)\,(x)=3\,({{x}^{2}}-1)+1=3{{x}^{2}}-2.\]
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