Math 120, Quiz #2Solutions(Chapters 4-5, 10 pts) 1.(3 pts) Which of the following graphs represent functions? Circle those that are functions. 2.(7 pts) Juliet is moving at constant speed in the xy-plane. She starts at the point (0, −2)and heads in a straight line toward the point (9, 3), reaching it after 10 seconds. (a)Write parametric equations for Juliet’s position tseconds after she starts walking. , (b) When does Juliet cross the x-axis? What is her position at that time?
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