1. 1-2 Composition of Functions
Pre Calc A

2. Ex 17: Given f(x)=2x – 1 and g(x)=x² find each function: A. (f + g)(x)
B. (f – g)(x)
C. (f · g)(x)
D. ( )(x)

3. Ex :
For the Lotsa Coffee Shop, the revenue r(x) in dollars from selling x cups of coffee is r(x) = 1.5x. The cost c(x) for making and selling the coffee is c(x)= .2x
A. Write the profit equation P(x)
B. Find the profit for 100, 200, and 500 cups of coffee sold.

4. Composition

5. Ex :
Find and for f(x) = x² + 2 and g(x) = 3x

6. Ex last one:
Find the first three iterates x1, x2, and x3, of the function f(x) = 3x + 2 for an initial value of x0 = 4