Math Problem Statement
Hunter has joined the Frequent Coffee Buyer program with a local cafe. The program costs $15 per month which allows him to get a discounted coffee price of $3 per cup. Answer the questions below regarding the relationship between the of number of cups of coffee purchased and the total monthly cost.
Answer
Attempt 1 out of 2
The independent variable, x, represents the total monthly costnumber of coffee cups purchased, and the dependent variable is the number of coffee cups purchasedtotal monthly cost, because the number of coffee cups purchasedtotal monthly cost depends on the total monthly costnumber of coffee cups purchased. A function relating these variables is D, left parenthesis, x, right parenthesis, equalsD(x)= . So D, left parenthesis, 18, right parenthesis, equalsD(18)= , meaning 1818 dollars will be paid forcups of coffee will cost
Solution
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Math Problem Analysis
Mathematical Concepts
Linear functions
Cost analysis
Formulas
D(x) = 15 + 3x
Theorems
-
Suitable Grade Level
High school