1. 1.3 W ORKING WITH F UNCTION N OTATION

2. The math department has looked into purchasing new textbooks for this course. The best deal is at a cost of $94 per textbook. The total cost of the books, C, depends on the number of books that are ordered, n. Since the cost is a function that depends on the number of books ordered we should write its equation using function notation. C(n) = 94n

3. The cost of ordering 10 new books would be $940. We can show this mathematically by replacing the n in the equation with 10 : C(n) = 94n C(10) = 94(10) C(10) = 940

4. Example #1: Given the function Evaluate: a) b)

5. c)

6. Example #2: Given the following graph of the function y=g(x) Evaluate: a) f(-1) b) f(0) – f(2) c) For what value(s) of x does f(x)=0? d) State the Domain and Range.

7. H OMEWORK P AGE 32 #1 – 4, 6, 9 AC, 11, 12, 14