SAT Math Practice Question #3230 - SATify | SATify

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SAT Math Practice Question #3230 - SATify | SATify

#3230

algebra

functions

medium

90 sec

If $a * b = \frac{a - b}{a + b}$ , then $(5 * 3) * 2 =$

A.

$- \frac{7}{9}$

B.

$\frac{7}{9}$

C.

$- \frac{9}{7}$

D.

$\frac{9}{7}$

E.

$\frac{1}{4}$