Concept explainers
a.
Toprove:If
a.
Explanation of Solution
Given information:The function is
Formula used:
A function is increasing if
A function is decreasingif
Proof:
Let
In equation
Hence proved that for
b.
Toprove:If
b.
Explanation of Solution
Given information:The function is
Formula used:
A function is increasing if
A function is decreasing if
Proof:
Let
In equation
Hence proved that for
Chapter 3 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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