geerky42
The function \(f\) is such that \(\displaystyle \int_{1}^3 f(x)dx = 7\). What is the value of \(\displaystyle \int_{1}^3 \left(f(x)+2\right)dx\)?



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hartnn
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split the integral into 2 parts

jaersyn
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dw:1352608336072:dw

geerky42
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15

hartnn
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1 to 3 f(x) dx + 1 to 3 2dx = 7+int (1 to 3) 2 dx

geerky42
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I shouldn't have ask this question...