## College Algebra 7th Edition

f(x) = $\frac{x}{2}$ + 9
If x is the input and f(x) is the function First you divide the input by 2 ($\frac{x}{2}$) Then add 9 to it ($\frac{x}{2}$ + 9) f(x) = $\frac{x}{2}$ + 9