1. Section Functions

2. Answer the following for each question:
Does the information given constitute a function?
If not, briefly justify your answer.
January
February
March
July
Winter
Spring
Summer
YES
YES
YES No
If x = 1, y = 1 and –1

3. President and Vice-President
Ford
Bush
Carter
Clinton
President
Vice-President
YES No
Ford is mapped to both
President and Vice-President
YES No
0 is mapped to both 2 and -2 No
6 is mapped to both 5 and 3 No
0 is mapped to both 4 and -4

6. Evaluating Functions on Calculator
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