Question

The function f(x) = 4.50x + 19 relates how much Sean pays to his scout club, f(x), to the number of patches, x, he earns in a month. What is the value and meaning of f(12)? (5 points)

A.) $73.00; this is the amount Sean pays for earning 12 patches in a month


B.) $73.00; this is the amount Sean pays for 12 months of scout club


C.) $85.50; this is the amount Sean pays for earning 12 patches in a month


D.) $85.50; this is the amount Sean pays for 12 months of scout club

Answer 1

Option A.

Explanation:

The given function is

`f(x)=4.50x+19`

where, f(x) is the amount Sean pays to his scout club and x is the number of patches.

We need to find the value of f(12).

Substitute x=12 in the given function.

`f(x)=4.50(12)+19`

`f(x)=54+19`

`f(x)=73`

The value of f(12) is 73.

This is the amount Sean pays for earning 12 patches in a month.

Therefore, the correct option is A.