The power function • y = xm • x is the base • m is the exponent . Essential characteristic: - A one percent (proportionate) change in x corresponds to an approximate m percent (proportionate) change in y.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 14E
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I don't understand the essential characteristic. can you provide a example 

The power function
• y = xm
• x is the base
• m is the exponent
.
Essential characteristic:
- A one percent (proportionate) change in x corresponds
to an approximate m percent (proportionate) change in
y.
Transcribed Image Text:The power function • y = xm • x is the base • m is the exponent . Essential characteristic: - A one percent (proportionate) change in x corresponds to an approximate m percent (proportionate) change in y.
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