SAT Math Practice Question #15007 - SATify | SATify

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SAT Math Practice Question #15007 - SATify | SATify

#15007

functions

optimization

quadratic equations

hard

90 sec

$p (x) = - (x - 3) (x - 7)$ . For what value of $x$ does the function $p$ reach its maximum?

A.

3

B.

4

C.

5

D.

7