P\left(x\right)=x^{3}+6x^{2}+5x-12
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Answer:
Area is 10.5
Step-by-step explanation:
We can use the trapezoid formula of
A = (2 + 5) / 2 * 3 = 3.5 * 3 = 10.5
or break it into a rectangle and a triangle (natural split by y axis).
A = 2 * 3 + 3 * 3 / 2 = 6 + 9 / 2 = 6 + 4.5 = 10.5