Answer
Answer G
Work Step by Step
The volume of a prism is:
$V=whl$
Plug in the given values:
$V=(x+1)(x+1)(x+4)$
$V=(x+1)^2(x+4)$
$V=(x^2+2x+1)(x+4)$
$V=x(x^2+2x+1)+4(x^2+2x+1)$
$V=x^3+2x^2+x+4x^2+8x+4$
$V=x^3+6x^2+9x+4$
The correct answer is G.