The graph shows electricity use on a summer day. (a) Is this the graph of a function?

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The graph shows electricity use on a summer day.image


(a) Is this the graph of a function? Why or why not?(b) What is the domain?(c) Estimate the number of megawatts used at 8 a.m.(d) At what time was the most electricity used? The least electricity?(e) Call this function ƒ. What is ƒ(12)? What does it mean?

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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