The Rate of first class postage was as followed Weight Not Over Price 1oz $0.44 2oz $0.

The Rate of first class postage was as followed

Weight Not Over             Price

1oz                                $0.44

2oz                                 $0.61

3oz                                 $0.78

3.5oz                              $0.95

A.writte a piecewise-defined function to model the cost C(x) to mail a letter first class if the letter has x ounces. 

B. Graph the function.

C. Find the cost to mail a letter that is 3.48 oz.