Question

Question 21

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This Test: 26 pts possible
Re:
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X
Express the area of the figure, A, as a
function of one of its dimensions, X.
Write the function's equation as a
polynomial in standard form.
2x
x+10
x+2
4x
6x
2
A(x)= return (Simplify your answer. Do not factor.)
graph in whi
Eph. Cubic
aph.

Answer 1

A(x) = 6x² + 26x

Explanation:

A(x) = 4x ( x + 10 ) - 2x ( 8 ) +
`(2x(x))/(2)` +
`(2x(x+2))/(2)`

A(x) = 4x² + x² + x² + 40x - 16x + 2x

A(x) = 6x² + 26x