SAT Math Practice Question #8008 - SATify | SATify

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SAT Math Practice Question #8008 - SATify | SATify

#8008

equations

algebra

functions

substitution

roots

quadratic equations

easy

30 sec

The function $k$ is defined by $k (x) = 2 x^{2} + 1$ . For which value of $x$ is $k (x) = 33$ ?

A.

4

B.

8

C.

16

D.

32