QUESTION 1 Sketch a graph to represent the

QUESTION 1 Sketch a graph to represent the situation. The level of water in a river rose rapidly during the storm and then gradually decreased back to the original level.

QUESTION 2 Sketch a graph to represent the situation. The volume of a ball increased as more air was added.

QUESTION 3 Determine the equation of the function. a. b. -

QUESTION 4 Write a rule that represents the function. a. (0, 5), (1, 6), (2, 7), (3, 8), (4, 9) b. (0, 0), (1, – 2), (2, – 4), (3, – 6), (4, – 8)

QUESTION 5 Write a rule that represents the function. a. (0, 1), (1, 2), (2, 4), (3, 8), (4, 16) b. (0, 2), (1, 5), (2, 8), (3, 11), (4, 14)

QUESTION 6

QUESTION 7 Sketch a graph to represent the situation. The price of gasoline has steadily increased over the last 10 years.

QUESTION 8 Sketch a graph to represent the situation. The temperature increased from 9 a. m. to 2 p. m. and then decreased from 2 p. m. to 5: 00 p. m.

QUESTION 9 Determine whether the relationship is a function. a. b.

QUESTION 10 Write a rule that represents the function. a. (0, 2), (1, 4), (2, 6), (3, 8), (4, 10) b. (0, 1), (1, 3), (2, 9), (3, 27), (4, 81)

QUESTION 11 In a relationship between variables, what is the variable called that changes in response to another variable?

QUESTION 12 A lawn care company charges a $10 trip fee plus $0. 15 per square foot of x square feet of lawn for fertilization. What is the equation that represents the relationship?

ANSWERS 1. 2.

ANSWERS 3 a. y = 4 x 5 a. y = 2 x b. y = x + 3 b. y = 3 x + 2 4 a. y = x + 5 b. y = -2 x 6. Yes 7. 8. 9. Yes 10. a. y = 2 x + 2 11. Dependent 12. y = 0. 15 x + 10 b. y = 3 x