Relations and Functions

Question 1

For what value of is the relation a function?

Revolt · Accepted Answer

1

Question 2

What is the range of the function graphed below?

Revolt · Accepted Answer

Negative 3 less-than y less-than-or-equal-to 3

Question 3

What is the domain of the relation graphed below?

Revolt · Accepted Answer

domain: {–5, –4, –3, 1, 2, 5}

Question 4

What is the range of the relation in the table below?xy–20–12041220

Revolt · Accepted Answer

range:

Question 5

Which of the following scenarios exhibits a function relation? Take the first set listed to be the domain of the relation.

Revolt · Accepted Answer

the set of people with Social Security cards and the set of Social Security numbers

Question 6

Which set represents the same relation as the table below?xf(x)054269910

Revolt · Accepted Answer

StartSet (0, 5), (4, 2), (6, 9), (9, 10) EndSet

Question 7

Which set represents the same relation as the graph below?

Revolt · Accepted Answer

StartSet (negative 5, 4), (negative 3, negative 2), (negative 1, negative 2), (2, 0), (3, 3), (4, 5), (6, negative 4) EndSet

Question 8

Given the graph below, which of the following statements is true?

Revolt · Accepted Answer

The graph does not represent a one-to-one function because the y-values between 0 and 2 are paired with multiple x-values.

Question 9

In which function is x = 2 mapped to 32?

Revolt · Accepted Answer

g (x) = 4 (x + 3) squared minus 68

Question 10

Which relation represents a function?

Revolt · Accepted Answer

StartSet (negative 2, 2), (0, 2), (7, 2), (11, 2) EndSet

Relations and Functions Answers