SAT Math Practice Question #39040 - SATify | SATify

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SAT Math Practice Question #39040 - SATify | SATify

#39040

substitution

roots

exponents

equations

algebra

functions

hard

70 sec

Calculator OK

The function $q$ is defined by $q (x) = 4 x^{4}$ . If $q (x) = 324$ , what is the positive value of $x$ ?

A.

$2$

B.

$3$

C.

$4$

D.

$5$