Alexa has joined the a Frequent Coffee Buyer program with a local cafe. The program
costs $15 per month which allows her to get a discounted coffee price of $2.5 per cup.
Answer the questions below regarding the relationship between the of number of
cups of coffee purchased and the total monthly cost.
The independent variable, x, represents the
dependent variable is the
A function relating these variables is R(x)
So R(18)=
depends on the
=
meaning 18
=
, because the
and the