What function is represented by the equation

$$R\left(x\right)=P\left(x\right)\cdot x$$

What function is represented by the equation

$$P\left(x\right)=-\frac{1}{20}x+14$$

What function is represented by the equation

$$C\left(x\right)=2x+300$$

What function is represented by the equation

$$S\left(x\right)=R\left(x\right)-C\left(x\right)$$

To maximize revenue, how much should you sell the pies for?

If you maximized revenue, how many pies did you make?

if you maximized revenue, how much revenue did you make?

If you maximize profit, how many pies do you need to make?

If you maximize profit, how much profit can you make?