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

Question

4 years ago

10

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 mail a package if x is the number of ounces over 2 pounds? ƒ(x ) = 7 + 0.3x ƒ(x ) = 14 + 0.3x ƒ(x ) = 0.3(x + 2)

Mathematics

1 answer:

TiliK225 [7] · Answer 1 · 2022-01-22T05:39:06+03:00

TiliK225 [7]4 years ago

5 0

The cost to mail a 2-lb package is $7.
The cost to mail a 2-lb, 1 oz package is $7+$0.30(1).
That to mail a 2-lb, 2 oz package is $7+$0.30(2) = $7.60.

Following this pattern, the general formula is f(x) = $7 + $0.30x, where x represents the number of ounces OVER 2 lb.