Question
$35-40$ Evaluate the integral by interpreting it in terms of areas.$$\int_{0}^{9}\left(\frac{1}{3} x-2\right) d x$$
Step 1
The line intersects the x-axis at $x=6$, dividing the area into two parts: a triangle below the x-axis from $x=0$ to $x=6$ and a triangle above the x-axis from $x=6$ to $x=9$. Show more…
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