3.4 Inverse Functions Goal: Find and use inverses of linear and nonlinear functions.
7-23 Composition and Inverses of Functions - with solutions
Transcript of 7-23 Composition and Inverses of Functions - with solutions
Functions Review
Ex:
Title: Function Notation Review (1 of 16)
Section 10-3: Composition of Functions
Given: and
Title: Section 103: Composition (2 of 16)
Given: and
Find: 1. 2.
3.
Title: Examples (3 of 16)
Given: and
Find: 1.
3.
2.
4.
Note:
Title: Practice (4 of 16)
p.465 (Oral) #1-4
p.466 (Written)#1-6
Title: Textbook Problems (5 of 16)
Section 10-3: Inverse Functions
Given: and
Find:
Title: Section 103: Inverses (6 of 16)
2 functions whose composition is x are called inverses
usually written as
which does NOT mean
If 2 functions are inverses:
the point (a, b) is on the graph of f (x)
the point (b, a) is on the graph of f 1(x) = g (x)
Title: Definition of Inverse (7 of 16)
Title: Worksheet (8 of 16)
To find the inverse of a function:1. switch x and y2. solve for y
Title: Finding the Inverse (9 of 16)
p.465 (Oral) #5-7
p.466 (Written)#7-10 only tell if the inverse is a
function#11-14 find the inverse and graph
both on the calculator#15-22 graph them on the
calculator
Title: Textbook Problems (10 of 16)
Section 10-3: Definition of Logarithmsinverse of an exponential function is a logarithmic function
Title: Section 103: Def of Log (11 of 16)
(3,8) is on f (x)
(8,3) is on f 1(x)
Exponential Logarithmic
Title: Log examples (12 of 16)
Title: Properties of Logs (13 of 16)
Write in exponential form.
1. 2.
3.
Title: Write in exponential form (14 of 16)
Write in logarithmic form.
1. 2.
3.
Title: Write in logarithmic form (15 of 16)
p.470 (Oral)#1-8
Title: Textbook Problems (16 of 16)