Upgrade subject to access all content

Lockhart. Created for Albert.io. Copyright 2016. All rights reserved.

Let $f(x)$ be the curve defined in the graph above and $A=15$, $B=7$, and $C=8$ be the respective areas for the regions labeled $A$, $B$, and $C$.

Find the $\int_0^8{f(x)dx}$.

$1$

$14$

$16$

$29$