The total cost f(x), in dollars, for renting a boat for x hours is shown below: f(x) = 32x + 75 What is the value of f(8) and what does f(8) represent?

The total cost f(x), in dollars, for renting a boat for x hours is shown below: f(x) = 32x + 75 What is the value of f(8) and what does f(8) represent?