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Jenny pays to park in the Parking Garage at work by the month. It costs S10 for 100 hours of parking. Additional hours cost 20 cents each. Write the cost function for hours parked, where he is the member of hours parked.If Jenny only wants to spend $50 on parking, what should the domain of the function be?

Respuesta :

[tex]f(x)=\begin{cases}10\text{ for x}\leq100 \\ \\ .2x+10\text{ for x>100}\end{cases}[/tex]

If she only wants to spend $50 we have the domain:

[tex](0,200\rbrack[/tex]

and the function:

[tex]f(x)=\begin{cases}10\text{ for x}\leq100 \\ \\ .2x+10\text{ for 100