Question 42 Answer and Explanation _ACT April 2018 Form A09 Math Section

Question 42 Answer and Explanation _ACT April 2018 Form A09 Math Section

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42. Given the functions $f\left({x}\right)={x}^{2}$ and $g\left({x}\right)=\frac{1}{4-x}$ , what is $g\left({f\left({x}\right)}\right)$ ?

F. $\frac{1}{4-{x}^{2}}$

G. $\frac{1}{{(4-x)}^{2}}$

H. $\frac{1}{16-{x}^{2}}$

J. $\frac{{x}^{2}}{4-x}$

K. $\frac{{x}^{2}}{4-{x}^{2}}$

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation