Answer:
1. a
2. 
Step-by-step explanation:
1. Since there is one value of y for every value of x in (−1,0),(−4,5),(3,2),(−3,5), this relation is a function.
2. To find the inverse, interchange the variables and solve for y.

Answer:
x is equal to 60
x=60
Step-by-step explanation:
the ratio is 24:30
or the simplified version is 4:5