Answer:
8.7 in
Step-by-step explanation:
a = 7.3
b = 4.8
c^2 = 7.3^2 + 4.8^2 = 76.33
c = sqrt(76.33) which is around 8.7
Answer: not a function
every x input must have only one y output.
(x,y)
where x=1 there are two y’s y=4 and y=2