Mathematics, 28.07.2020 21:01 krystinayagel013
The area of the region under the curve of the function f(x)=5x+7 on the interval [1,b] is 88 square units, where b>1. What is the value of b.
Answers: 2
![\displaystyle \int {[f(x) \pm g(x)]} \, dx = \int {f(x)} \, dx \pm \int {g(x)} \, dx](/tpl/images/0714/3079/4bd0c.png)
![\displaystyle A = \int\limits^b_a {[f(x) - g(x)]} \, dx](/tpl/images/0714/3079/3d1ae.png)
[Integrals] Rewrite [Integration Property - Multiplied Constant]: Â Â Â Â Â Â Â 
[Integrals] Integration Rule [Reverse Power Rule]: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 
Evaluate [Integration Rule - Fundamental Theorem of Calculus 1]: Â Â Â Â Â 
Simplify: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 
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The area of the region under the curve of the function f(x)=5x+7 on the interval [1,b] is 88 square...
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