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

  L8-1

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 3 33 27 1 27 9 3 Step 1: Make a table of values. Step 2: Graph the coordinates. Connect the points with a smooth curve.

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).

Determine if each equation represents exponential growth or decay  

 

 

 

 

   

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

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