Answer:
A
Step-by-step explanation:
In order for a graph to be a function, it has to only cross the vertical (up and down) lines that it covers once. Since this is an angle, it crosses all the lines in two different places, and isn't a function.
Solve how much the salesperson makes in option A and use that value as the 5% of the total of sales to solve for option B
The decimal conversion to 8 39/40 is 8.975 and the decimal terminates.