8/27 Learner/Securing

Lucy examined the table of values to determine which points to add to ensure the relations remain a function. Select all the points to be added.

• (2, 0)

• (0, 2)

• (4, 0)

• (1, 5)

• (5, 9)

Which of the following table represents a function?

• 
• 
• 
• 

Which of the following methods can be used to determine if a relation is a function?

• Graph the relation on a coordinate plane and check that it passes the vertical line test.

• Graph the relation on a coordinate plane and check that it passes through the horizontal line.

• Make sure that there is no repeated y- value.

• An x-value can be shared by multiple y-value.

Which of the following is also known as x-intercept?

• y-axis

• x-axis

• zeros

• vertical line test

The maintenance crew at a park is draining the swimming pool. The graph shows the number of gallons in the pool, y, as it drains for x hours.

Part A: How many gallons of water did the pool begin with?

_______________ gallons

Mathematical Equivalence

ON

The maintenance crew at a park is draining the swimming pool. The graph shows the number of gallons in the pool, y, as it drains for x hours.

Part B: How long did it take the pool to drain?

_______________ hours

Mathematical Equivalence

ON

The function was assigned to students in a class. Which statements are true about the function? Select all that apply.

• The function has one zero.

• The y-intercept of the function is (0, 3).

• The function does not have a zero.

• The x-intercept is (3, 0)

• The function has two zeros

Joshua graphs the linear function which is shown to the right.

Part A: What is the domain of Joshua’s graph?

• −5 ≤ 𝑥 ≤ −1

• All real numbers

• 𝑥 ≤ 0

• −2 ≤ 𝑥 ≤ 9

Joshua graphs the linear function which is shown to the right.

Part B: What is the range of Joshua’s graph?

• 𝑦 ≤ −1

• 𝑦 ≤ 0

• 𝑦 ≥ 5

• 𝑦 ≥ 0

Analiza was assigned to determine the domain and range of the function on the graph.

What is the domain and range of the function?

Domain: ​ (a)  

Range: ​ (b)