any combination would work out. the most common is x and y. or you may use f(x) and x.
Answer:
2x^3+7=56
Step-by-step explanation:
Answer:
k = 13.5
Step-by-step explanation:
Setup proportion and solve for k:

Answer:
20 is the answer
Step-by-step explanation:
I did the math.hope it helps :)