
Concept explainers
Developing a Linear Model from Data The following data represent the various combinations of soda and hot dogs that Yolanda can buy at a baseball game with .

a. Plot the ordered pairs in a Cartesian plane.
b. Show that the number of hot dogs purchased is a linear function of the number of sodas purchased .
c. Determine the linear function that describes the relation between and .
d. What is the implied domain of the linear function?
e. Graph the linear function in the Cartesian plane drawn in part (a).
f. Interpret the slope.
g. Interpret the values of the intercepts.

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