The cost to mail a package is $7 for the first 2 pounds and 30 cents for each additional ounce. Which of the following functions represents the cost to nail a package if x is the number of ounces over 2 pounds?

7+0.30x

Step-by-step explanation:

If the cost of the first two pounds for a mail package is $7, then it means that for every mail above 2 pounds, there is a constant cost of $7.

Then for each additional ounce, the cost increases by 30 cents ($0.30).

The cost function (C(x)) is therfore given by

c(x)=7+0.30x

28

step-by-step explanation:

8+8+6+6