What is the integral from 0 to 4 of (x-3sqrt(x)) ?

The integral from 0 to 4 of (x-3sqrt(x)) is -8

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integral from 0 to 4 of (x-3sqrt(x))

\int_{0}^{4} (x - 3 x) d x

- 8

Solution steps

\int_{0}^{4} x - 3 x d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{0}^{4} x d x - \int_{0}^{4} 3 x d x

\int_{0}^{4} x d x = 8

\int_{0}^{4} 3 x d x = 16

= 8 - 16

Simplify

= - 8

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What is the integral from 0 to 4 of (x-3sqrt(x)) ?
The integral from 0 to 4 of (x-3sqrt(x)) is -8