You should use 22/7 when you are dealing with other fractions.
The answer is (A) f(x) = x+4.
You look for it...................
Answer:
min = 64.2m ; max = 86.2m
Step-by-step explanation:



Answer:
5
Step-by-step explanation:
formula is y=kx where k is constant of variation
then k=15/3=5