What is the integral from-2 to 0 of 4x ?

The integral from-2 to 0 of 4x is -8

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integral from-2 to 0 of 4x

\int_{- 2}^{0} 4 x d x

- 8

Solution steps

\int_{- 2}^{0} 4 x d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 4 \cdot \int_{- 2}^{0} x d x

Apply the Power Rule

: [\frac{x ^{2}}{2}]_{- 2}^{0}

= 4 [\frac{x ^{2}}{2}]_{- 2}^{0}

Compute the boundaries:

- 2

= 4 (- 2)

Simplify

= - 8

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