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)

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.

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keshavgandhi04 keshavgandhi04 · Answer 2 · 2021-12-06T12:25:12+01:00

The function that represents the cost to mail a package if x is the number of ounces over 2 pounds is (f(x) = 7 + 0.3x) and this can be determined by using the given data.

Given :

The cost to mail a package is $7 for the first 2 pounds and 30 cents for each additional ounce.

The following steps can be used in order to determine the function that represents the cost to mail a package if x is the number of ounces over 2 pounds:

Step 1 - According to the given data, the cost to mail a package is $7 for the first 2 pounds.

Step 2 - It is also given that for each additional ounce the cost of mail is $0.3.

Step 3 - So, the function that represents the cost to mail a package if x is the number of ounces over 2 pounds is given by:

f(x) = 7 + 0.3x

So, the correct option is A).

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