## Algebra 1: Common Core (15th Edition)

The table was completed by using the concept that in order to change the exponent from positive to negative, we have to take the reciprocal of the function. For example If n=3, $n^{-1}$ = $3^{-1}$ = $\frac{1}{3}$ You are taking the reciprocal of the function when you change the exponent sign.