Answer:
h=3
Step-by-step explanation:
divided the 21 by the 7
Hello! A function is easily identified when an x value does not have more than 1 y value. a y value can have as many x values to infinity, but x can only have one y.
Example...
x y
3 5
4 5
1 2
7
Answer: (y - 2) (y -3)