Alg 1 Desmos Unit 4 Describing Functions Review

Determine if the following relations are functions? Choose all of the functions.

• 1

• 2

• 3

• 4

Which of the following is the domain of the data representing a certain strain of bacteria graphed?

• a. 5 ≤ x ≤ 9

• b. 5 ≤ x ≤ 70

• c. 0 ≤ y ≤ 70

• d. 5 ≤ y ≤ 70

Which of the following is the range of the data representing a certain strain of bacteria graphed?

• a. 5 ≤ x ≤ 9

• b. 5 ≤ x ≤ 70

• c. 0 ≤ y ≤ 70

• d. 5 ≤ y ≤ 70

• 7

• 10

• 0

• 2

• 22

• 25

• 18

• 20

• 3
• -13
• 7
• 10

Select all the true statements.