Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 45E
Related questions
Concept explainers
Rate of Change
The relation between two quantities which displays how much greater one quantity is than another is called ratio.
Slope
The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as:
Question
Sketch the graph of ƒ(x) = ln | x | and explain how the graph
shows that ƒ′(x) = 1/x
.
Expert Solution
Step 1
Solution:
Consider the given function is
we have the graph of the given function is
we know the function modulus is defined as
Also, ln x is defined as positive when x is greater or equal to 1 and not defined for negative values of x
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