Question - Calculating the Integral of a Power Function

\[ \int f(x) \, dx = \int x^{-2} \, dx \]

\[ = \int x^{-2} \, dx = \frac{x^{-2+1}}{-2+1} + C \]

\[ = \frac{x^{-1}}{-1} + C \]

\[ = -\frac{1}{x} + C \]