The function for the cost of materials to make a muffin is f(x) = three fourths x + 3, where x is the number of muffins. the function for the selling price of those muffins is g(f( where g(x) = 3x + 4. find the selling price of 20 muffins.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.