Introduction to Functions

Question 1

Is the situation a function?

Revolt · Accepted Answer

Yes, because each input has exactly one output.

Question 2

Identify which of the following equations represent functions. Select all that apply.

Revolt · Accepted Answer

y = 4x + 13; y = 3x2 - x - 1

Question 3

Which ordered pair can be removed to make this relation a function?

Revolt · Accepted Answer

(4,1); Selection 1: (4,1); Selection 2: Every input must be paired with exactly one output.

Question 4

Determine which of the following are functions. Select all that apply.

Revolt · Accepted Answer

Answer image: https://r20.core.learn.edgenuity.com//media.edgenuity.com/EVresources/3108-01-06-20-04-task/mr001-1.jpg; y = -4x² + 45x + 9

Question 5

When given a graph, the vertical line test can be used to determine functionality. Describe the vertical line test and explain the reasons why a graph would, or would not, represent a function.

Revolt · Accepted Answer

Answer

Question 6

Which did you include in your response?

Revolt · Accepted Answer

The relation is a function if there’s only one point of intersection on a graph.

Question 7

Use the vertical line test to determine which graph does not represent a function.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3108-01-06-20-06-task/mc001-2.jpg

Question 8

Which scenario, A or B, represents a function?

Revolt · Accepted Answer

a

Question 9

Is the airplane’s altitude a function of time?

Revolt · Accepted Answer

Yes, because any input of time results in only one output of altitude.

Question 10

Situation 12✔ 3 does not represent a function.

Revolt · Accepted Answer

3; does not represent a function.: 3; .: The same number of credit cards can have different totals.

Introduction to Functions Answers

More from this Course

TRY EDGENUITY HACKS