Lesson 4 Composition of Functions Notes

Bellringer

Evaluate the following:1) j(7)

2) f -1(8)

3) g -1(23)

4) f(j(x))

Daily Objective:

Students will be able to

combine 2 functions in

a composition.

Lesson 4 Composition of Functions Notes

Lesson #3a More prac�ce with Inverse Func�ons if needed.

Lesson 4 Composition of Functions Notes

Inverse Functions

(x) = 5 g (12) r(4) + (-1)

r (13) (b + 4) s (-41)

Lesson 4 Composition of Functions Notes

Composition of Functions

Notice, which function comes first when evaluating (f ο g). _________________

Why do you think that is?

Lesson 4 Composition of Functions Notes

Let’s try a few:

Lesson 4 Composition of Functions Notes

Lesson 4 Composition of Functions Notes

Class work

Lesson 4 Composition of Functions Notes

Lesson 4 Composition of Functions Notes

Lesson 4 Composition of Functions Notes

Lesson 4 Composition of Functions Notes

Lesson 4 Composition of Functions Notes