Concept explainers
A new car worth $45,000 is depreciating in value by $5000 per year. The mathematical model
a. Find the x-intercept. Describe what this means in terms of the car’s value.
b. Find the y-intercept. Describe what this means in terms of the car’s value.
c. Use the intercepts to graph the linear equation. Because x and y must be nonnegative (why?), limit your graph to quadrant I and its boundaries.
d. Use your graph to estimate the car’s value after five years.
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Introductory Algebra for College Students with Integrated Review Books a la Carte Edition PLUS MyLab Math PLUS Worksheets (7th Edition)
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