# Calculus

Use geometry to evaluate the integral from 0 to 6 of the function f of x, dx for f of x equals 3 for x less than or equal to 3 and equals the quantity 6 minus x for x greater than 3

- 27
- 13.5
-12
- 10.5

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1. graph it!
You know how to find the area of rectangles and triangles.

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