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Popular Calculus >

integral from 3 to 5 of (2x+1)

Solution

\int_{3}^{5} (2 x + 1) d x

Solution

18

Solution steps

\int_{3}^{5} 2 x + 1 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_{3}^{5} 2 x d x + \int_{3}^{5} 1 d x

\int_{3}^{5} 2 x d x = 16

\int_{3}^{5} 1 d x = 2

= 16 + 2

Simplify

= 18

Graph

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Frequently Asked Questions (FAQ)

What is the integral from 3 to 5 of (2x+1) ?
The integral from 3 to 5 of (2x+1) is 18