A) 80
B) 20
C) \[-20\]
D) 37
Correct Answer: D
Solution :
\[\int_{1}^{4}{f(x)dx=\int_{1}^{2}{(4x+3)dx+\int_{2}^{4}{(3x+5)\,dx}}}\] \[=\left| 2{{x}^{2}}+3x \right|_{1}^{2}+\left| \frac{3{{x}^{2}}}{2}+5x \right|_{2}^{4}=37\].You need to login to perform this action.
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