SAT Math Practice Question #38328 - SATify | SATify

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SAT Math Practice Question #38328 - SATify | SATify

#38328

functions

absolute value

medium

60 sec

The function $f$ is defined by $f (x) = ∣2 x - 7 x ∣$ . What value of $a$ satisfies $f (4) - f (a) = - 10$ ?

A.

-10

B.

-6

C.

0

D.

10