Chapter3: Graphs And Functions
Section3.5: Relations And Functions
Problem 336E: How do you find the value of a function?
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Concept explainers
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
how do you find the coordinates to plot on a graph for the functions:
C(x)= 420+2.10(x)
R(x)= 4.90(x)
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