(a) Can the average rate of change of an increasing function ever be negative? (b) If the average rate of change of a function between x = a and x = b is negative, then is the function necessarily decreasing on the interval (a, b)?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter8: Graphing Quadratic Functions
Section: Chapter Questions
Problem 17CT
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Yes or No? If No, give a reason.

(a) Can the average rate of change of an increasing function
ever be negative?
(b) If the average rate of change of a function between
x = a and x = b is negative, then is the function
necessarily decreasing on the interval (a, b)?
Transcribed Image Text:(a) Can the average rate of change of an increasing function ever be negative? (b) If the average rate of change of a function between x = a and x = b is negative, then is the function necessarily decreasing on the interval (a, b)?
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