1.2.2 Function Notation - Worksheet
Example 1: For each function, evaluate f (0), f (1.5), and f ( − 4). 1. f ( x ) = 3 x − 4 2. f ( x ) = x 2 + 9
3. f ( x ) = 3 x 2 − x + 2
4.
5.
6.
2
f
4
f
f
4
–3
3
–2
–4
2
–4
4
Example 2: Graph each function. 7. 2 3 4 5
8. g ( x ) = − 3 x + 12
9.
Length of stay (nights)
Daily rate ($)
1
65 55 45 40
5 10 15
2 5 10 17
Example 3: 10. A furniture company misprinted a sales ad for a living room set but honors the advertised price. For each customer who purchases the living room set, the company suffers a loss of $125. Write a function to represent the company’s total loss. What is the value of the function for an input of 50, and what does it represent?
51
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