Math Problem Statement
A phone company charges for service according to the formula: C ( n )
12 + 0.07 n C ( n )
12 + 0.07 n , where n n is the number of minutes talked, and C ( n ) C ( n ) is the monthly charge, in dollars.
The rate of change in this equation is: Correct
The initial value in this equation is:
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Rate of Change
Initial Value
Formulas
C(n) = 12 + 0.07n (Linear Equation)
Theorems
Slope-Intercept Form
Suitable Grade Level
Grades 6-8
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