Functions Question 246
Question: If $ f(x)=x^{2}-1 $ and $ g(x)=3x+1 $ , then $ (gof)(x)= $
Options:
A) $ x^{2}-1 $
B) $ 2x^{2}-1 $
C) $ 3x^{2}-2 $
D) $ 2x^{2}+2 $
Show Answer
Answer:
Correct Answer: C
Solution:
$ (gof),(x)=3,(x^{2}-1)+1=3x^{2}-2. $
BETA
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