What is the integral from 0 to-0.4 of 300x ?

The integral from 0 to-0.4 of 300x is 24

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integral from 0 to-0.4 of 300x

\int_{0}^{- 0.4} 300 x d x

24

Solution steps

\int_{0}^{- 0.4} 300 x d x

\int_{a}^{b} f (x) d x = - \int_{b}^{a} f (x) d x, a < b

= - \int_{- 0.4}^{0} 300 x d x

Take the constant out:

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

= - 300 \cdot \int_{- 0.4}^{0} x d x

Apply the Power Rule

: [\frac{x ^{2}}{2}]_{- 0.4}^{0}

= - 300 [\frac{x ^{2}}{2}]_{- 0.4}^{0}

Simplify

= - 300 [0.5 x^{2}]_{- 0.4}^{0}

Compute the boundaries:

- 0.08

= - 300 (- 0.08)

Simplify

= 24

\int (5 s + 3)^{2} d s

n = 0 \sum \infty \frac{7 ^{n}}{1 1 ^{n}}

\int_{0}^{1} \frac{1}{x ^{3}} d x

e^{2} + 2^{x}

x \to 0 + lim (x^{15 x})

What is the integral from 0 to-0.4 of 300x ?
The integral from 0 to-0.4 of 300x is 24