Quiz about Determining Whether a Relation Is a Function

Question 1

Problem #10

Determine whether the relation is a function.

Accepted Answer

yes

Answer

no

Question 2

Determine whether the relation is a function.

Accepted Answer

yes

Answer

no

Question 3

Problem #12

ERROR ANALYSIS: Describe and correct the error in determining whether the relation is a function.

Accepted Answer

In order for a relation to be a function, each input must be paired with exactly one output. So, the relation is a function.

Answer

In order for a relation to be a function, each output must be paired with exactly one input. So, the relation is a function.

Answer

In order for a relation to be a function, each input must be paired with more than one output. So, the relation is a function.

Question 4

Problem #6

List the ordered pairs shown in the mapping diagram.

Accepted Answer

(0, 4)

(3, 5)

(6, 6)

(9, 7)

Answer

(4, 0)

(3, 5)

(6, 6)

(7, 9)

Answer

(4, 0)

(5, 3)

(6, 6)

(7, 9)

Answer

(0, 4)

(3, 5)

(6, 6)

(7, 9)

Question 5

Problem #8

List the ordered pairs shown in the mapping diagram.

Accepted Answer

(6, -5)

(7, -5)

(8, -10)

(9, -10)

Answer

(-5, 6)

(-5, 7)

(8, -10)

(9, -10)

Answer

(-5, 6)

(7, -5)

(8, -10)

(9, -10)

Answer

(6, -5)

(-5, 7)

(8, -10)

(9, -10)

Question 6

Problem 16 b

SCUBA DIVING: The normal pressure at sea level is one atmosphere of pressure (1 ATM). As you dive below sea level, the pressure increases by 1 ATM for each 10 meters of depth.

b. Is the relation a function? Explain.

Accepted Answer

Yes, each input has exactly one output. So, the relation is a function.

Answer

Yes, each output has exactly one input. So, the relation is a function.

Answer

No, each input has exactly one output. So, the relation is a function.

Question 7

Which is a true statement about the table?

Accepted Answer

It is a function because each input has exactly one output.

Answer

It is not a function because each output has more than one input.

Answer

It is not a function because it does not contain the origin.

Answer

It is not a function because the ratio between y and x is not constant.

Question 8

Which of the following shows y as a function of x? Choose ALL that apply.

Accepted Answer

Option D is correct

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Determining Whether a Relation Is a Function

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