PLEASE ANSWER! I don't understand this problem.

The Domain is {3,2-1,0} Range {7,4,2}

Step-by-step explanation:

It is a function because there is one value of y for every x value.

The Domain is: 3,2,-1,0.

The Range is: 7,4,2.

Step-by-step explanation:

The Domain is the first ones in the parentheses (x), and the range is the second ones in the parentheses (y).

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).