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1.3 Working with Function Notation

1.3 Working with Function Notation. The math department has looked into purchasing new textbooks for this course. The best deal is at a cost of $94 per textbook.

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1.3 Working with Function Notation

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  1. 1.3 Working with Function Notation

  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 it’s 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: • f(-1) • f(0) – f(2) • For what value(s) of x does f(x)=0? • State the Domain and Range.

  7. Homework Page 32 #1 – 4, 6, 9ac, 11, 12, 14

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