A first class letter mailed in the United state cost $0.46 for up to 1 ounce, $0.66 for up to 2 ounces, $0.86 for up to 3 ounces, and $1.06 for up to 3.5 ounces. Each additional ounce cost $0.20. A. Write a piece wise function that gives the cost C for a letter the weights W ounces. B. graph the function. C. Estimate how much it would cost to mail a 10 ounce letter.

Who do you think is going to take the time to write and graph this out for you so you don't have to?

We are not allowed to do homework for you. We can help you with it once you show the work that you've done, but we're not going to figure it out and write it up for you.