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Popular >

integral from-1 to 7 of 3x+7

Solution

\int_{- 1}^{7} 3 x + 7 d x

Solution

128

Solution steps

\int_{- 1}^{7} 3 x + 7 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_{- 1}^{7} 3 x d x + \int_{- 1}^{7} 7 d x

\int_{- 1}^{7} 3 x d x = 72

\int_{- 1}^{7} 7 d x = 56

= 72 + 56

Simplify

= 128

Graph

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Frequently Asked Questions (FAQ)

What is the integral from-1 to 7 of 3x+7 ?
The integral from-1 to 7 of 3x+7 is 128