SAT Math Practice Question #39036 - SATify | SATify

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SAT Math Practice Question #39036 - SATify | SATify

#39036

substitution

roots

exponents

equations

algebra

functions

easy

30 sec

Calculator OK

The function $f$ is defined by $f (x) = 5 x^{2}$ . If $f (x) = 125$ , what is the positive value of $x$ ?

A.

$3$

B.

$5$

C.

$10$

D.

$25$