So, my teacher recently assigned a few problems for homework that I am completely clueless about.

I was wondering if somebody could assist me in at least outlining the steps needed to solve the following problem:

ThanksThe cost of renting a large boat is 30 dollars per hour plus a usage fee roughly equivalent to $\displaystyle x^3$ cents per hour when the boat is operated at a speed of x $\displaystyle km/h$. Express the cost C (in cents per kilometer) as a function of x.