Question 25 Answer and Explanation _ACT April 2014 Form 71H Math Section

Question 25 Answer and Explanation _ACT April 2014 Form 71H Math Section

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25. For functions f and g defined by $f(x)={2x}^{2}+x$ and g(x) = 3x - 1, what is the value of f(g(3)) ?

A. 29

B. 62

C. 136

D. 162

E. 168

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

Find out g(3)=8 first, then f(g(x))=f(8)=136.