Please hurry!

Here is the graph of a function showing the amount of money remaining on a subway fare card as a function of the number of rides taken.

What is the output of the function when the input is 10? ____

What is the input to the function when the output is 5? _____

Please hurry Here is the graph of a function showing the amount of money remaining on a subway fare card as a function of the number of rides taken What is the class=