Question

Use geometry to evaluate the integral?

Answer 1

13.5

Explanation:

you need to find the blue area (between 0 to 6)
since this is clearly a trapezoid, u can use its area formula:
`A=1/2(b1+b2)h`
`b1=3`
`b2=6`
`h=3`
`A=1/2(3+6)(3)`
`A=27/2=13.5`