1. Warm Up Evaluate if x = 4 if ƒ(x) = 2x – 5 and g(x) = x² -1 1. ƒ(g(x))

2. L8-1

3. Step 1: Make a table of values. Step 2: Graph the coordinates.
Ex 1:
Graph y = 3x.
x 3x y
–3 3–3 = .037
–2 3–2 = .1
–1 3–1 = .3
0 30 1
1 31 3
2 32 9 1 27 9 3
Step 1: Make a table of values.
Step 2: Graph the coordinates.
Connect the points with a
smooth curve.

4. Exploring Exponential Models
LESSON 8-1
Additional Examples
Ex 2:
Write an exponential function y = abx for a graph that includes (1, 6) and (0, 2).

5. Determine if each equation represents exponential growth or decay

11. a. Determine whether each function represents exponential growth or exponential decay b. Find the percent increase or decrease that the function models

12. Homework
L8.1 (p 442) #10-40e skip 30