using the definition of derivative to find f'(x) for the function:f(x)=4/x. How do I solve this?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter8: Graphing Quadratic Functions
Section: Chapter Questions
Problem 17CT
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using the definition of derivative to find f'(x) for the function:
f(x)=4/x. How do I solve this?

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HOUGHTON MIFFLIN HARCOURT
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