Montraie is buying bagels for a family gathering. Each bagel costs $0.75. Answer the questions below regarding the relationship between the total cost and the number of bagels purchased.

Answer
Attempt 1 out of 2

The independent variable, x, represents the
total cost of the bagels
, and the dependent variable is the
number of bagels purchased
, because the
total cost of the bagels
depends on the
number of bagels purchased
.
A function relating these variables is A, left bracket, x, right bracket, equalsA(x)=
.
So A, left bracket, 16, right bracket, equalsA(16)=
, meaning 1616

1 answer

The independent variable, x, represents the number of bagels purchased, and the dependent variable is the total cost of the bagels, because the total cost of the bagels depends on the number of bagels purchased.
A function relating these variables is A(x) = 0.75x.
So A(16) = 0.75(16) = 12, meaning the total cost of 16 bagels is $12.