The seat hieght graph begins and ends with a value of 0

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62