1. FUNCTIONS & THEIR GRAPHS
Sec 3 continued
FUNCTIONS & THEIR GRAPHS

2. ii. Evaluating a function
Ex. 1 If f(x) = x² + 7, evaluate
A. f(3a)
B. f(b-1) C.

3. II. Finding domain & range
Domain is all the ___ - values.
Range is all the ___ - values.
Ex. 2 Find the Domain and Range A.
B. f(x) = tan x C.

4. Iv. Composite functions
f and g are functions. Then (f ◦ g)(x) = f(g(x)) is the composite of f with g.
Ex. 1 f(x) = 2x – 3 and g(x) = cos x
Find
A. f ◦ g
B. g ◦ f
Are the two composite functions equal?

5. Graphing composite functions
Do the composite functions worksheet.

6. Solve the equation
𝑥 𝑥+6 = 𝑥 −4 4

7. homework
pg 27
#1-7 odds, 21-25, 52-54, 57
Unit 1 Test
Tomorrow!