SAT Math Practice Question #15547 - SATify | SATify

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SAT Math Practice Question #15547 - SATify | SATify

#15547

functions

expressions

easy

80 sec

$f (x) = (x + 0.5 x) (40 - x)$

The function $f$ is defined above. What is the value of $f (10)$ ?

A.

300

B.

315

C.

450

D.

600