SAT Math Practice Question #39310 - SATify | SATify

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SAT Math Practice Question #39310 - SATify | SATify

#39310

roots

substitution

radicals

equations

algebra

functions

hard

90 sec

Calculator OK

Let $f (x) = x + 1$ and $g (x) = x^{2}$ . For what positive value of $x$ is $f (g (x)) = 3$ ?

A.

2

B.

$8$

C.

3

D.

8