Section 2.2 - Functions

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

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

Evaluating Functions on Calculator New Menu