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 answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!