A function is a given set of data in which no x values repeat, where y values may or may not repeat. Since this given set does have a x value that repeats, it is not a function!
Step-by-step explanation: A function means that for every x, there is only ONE y value. In this case, 6 can be either -1 or 5, which is more than one value.
So to start subtract $5 from $16.25 for the monthly membership That gives you $11.25 So then you Just divide... $11.25 divided by $1.25 which gives you 9 So bill rented 9 movies for the month
