Algebra 1 First Quarter Exam

First Name

Last Name

Period

• 1
• 5
• 6
• 7

1. Which set of ordered pairs demonstrates a function?

• a) {(5, -1), (3, -2), (4, -3), (7, -4), (6, -5)}
• b) {(3, 4), (2, 4), (4, 4), (4, 7), (5, 4)}
• c) {(2, 6), (-2, 6), (3, -5), (-3, 5), (2, 0)}
• d) All of the above

2.

• a) 10
• b) 240
• c) 220
• d) 303

3. Which ordered pair would cause the graph below to no longer be a function.

• a) (0, 1)
• b) (2, 0)
• c) (1, 0)
• d) (-1, 0)

4. Which of the tables represents a function?

• a) Table A only
• b) Table B only
• c) Both Table A and Table B
• d) Neither Table A nor Table B

5. Given f(x) = 3(4 – 3x) - 18, what is the value of f(-1)?

• a) 3
• b) -15
• c) -8
• d) -3

6. Tristan created the rough sketch of a function. Which of the following could be the function?

• a. f(x) = -4x
• b. f(x) = 9x − 6
• c. f(x) = -6x + 2
• d. f(x) = x^2 – 8

A dog wash company, Doggie Dos, can determine their daily profit from this function. If g(x) represents the profit in dollars and x is the number of dogs washed, find the total profit if Doggie Dos washes 20 dogs in a day.