## Calculus with Applications (10th Edition)

$9y+C$
Since $y^0=1$, we can write $9$ as $9y^0$ and use the Power Rule: $\int 9 dy$ $=\int 9y^0dy$ $=9\int y^0dy$ $=9*\frac{y^1}{1}+C$ $=9y+C$