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Popular Calculus >

integral from-2 to 1 of (3+2x)

Solution

\int_{- 2}^{1} (3 + 2 x) d x

Solution

6

Solution steps

\int_{- 2}^{1} 3 + 2 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_{- 2}^{1} 3 d x + \int_{- 2}^{1} 2 x d x

\int_{- 2}^{1} 3 d x = 9

\int_{- 2}^{1} 2 x d x = - 3

= 9 - 3

Simplify

= 6

Graph

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Frequently Asked Questions (FAQ)

What is the integral from-2 to 1 of (3+2x) ?
The integral from-2 to 1 of (3+2x) is 6