SAT Math Practice Question #36178 - SATify | SATify

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SAT Math Practice Question #36178 - SATify | SATify

#36178

algebra

functions

medium

60 sec

The function $k$ is defined by $k (x) = \frac{1}{2} x - 3$ . What is the value of $k (\frac{1}{4})$ ?

A.

$- \frac{23}{8}$

B.

$- \frac{11}{4}$

C.

$- \frac{25}{8}$

D.

$- \frac{5}{2}$