Answer:
Step-by-step explanation:
A. this is not a function because x=1 has 2 outputs So does x=3
B . f(120) = 20 + 10*120 = 1220
This is the cost in dollars of renting a boat for 120 hours.
Answer:
a=12.56 b=3.14 c=50.24 d=78.5 e=4.5216 f=63.585
Step-by-step explanation:
USE A CALCULATOR!