The total cost f(x), in dollars, for renting a bike for x hours is shown:
f(x) = 10 + 20x
What does f(10) represent?
![The total cost fx in dollars for renting a bike for x hours is shown fx 10 20x What does f10 represent class=](https://us-static.z-dn.net/files/d9f/efd9a993dea36f61319bdd14146d4b84.png)