Name: SAT Math Help & School Math Mastery
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#17088

volume

3d shapes

medium

90 sec

A right rectangular prism has a height of $9$ inches. The length of the prism's base is $x$ inches, which is $7$ inches more than the width of the prism's base. Which function $V$ gives the volume of the prism, in cubic inches, in terms of the length of the prism's base?

A.

$V (x) = x (x + 9) (x + 7)$

B.

$V (x) = x (x + 9) (x - 7)$

C.

$V (x) = 9 x (x + 7)$

D.

$V (x) = 9 x (x - 7)$