10/24/16 3.2: Logarithmic Functions and Their Graphs-Day
2
3.2: Logarithmic Functions and Their Graphs-Day 2
Warm-up
Graph each function in your calculator. Sketch the graphs on the same coordinate plane.
What do you notice?
Objectives
Graph logarithmic equations.
Notes
Comparing graphs from the warm-up.
Domain:
Domain:
Range:
Range:
y-intercept:
x-intercept:
Asymptote:
Asymptote:
General Form of a Logarithmic Function (not in textbook)
f(x) = a logb(x-h) + k
b
h
k
When graphing logarithmic functions, it is sometimes easier to consider the inverse function
(which is exponential) to help determine all info about the graph.
Examples
Chapter 3 Page 1
a
When graphing logarithmic functions, it is sometimes easier to consider the inverse function
(which is exponential) to help determine all info about the graph.
Examples
Find the domain, range, asymptote, and x-intercept of the function. Sketch the graph.
Chapter 3 Page 2
Assignment
p.218 #33, 35, 41-47, 65-71 odds, 77, 79
(12 questions)
Chapter 3 Page 3
(12 questions)
Chapter 3 Page 4