Asked by cherry

Select all relations that are functions.


A. 0 4
3 8
6 12
9 16

B. (-3, 3), (-1, 1), (-1, 3), (2, -2)

C. y = 2x^3 + 5/4


Answered by cherry
Which statement best describes the relationship shown in the equation?
x^2 + y^2 = 10

A.
It cannot be determined if this is or is not a functional relationship.
B.
This is a functional relationship.
C.
This is not a functional relationship.
Answered by cherry
George moved to a new house. He tracked his electricity consumption over a period of 14 months. Consider the graph below which shows the relationship between his monthly electricity consumption, y, and x, which represents the number of months since he started tracking.



Which of the following describes the graph?
A.
both a relation and a function
B.
a relation only
C.
a function only
D.
neither a function nor a relation
Answered by cherry
What is a set of ordered pairs in which each input has exactly one output called?
A.
a line
B.
a relation
C.
a curve
D.
a function
Answered by cherry
Malcolm is taking a speed-reading course. He records the number of words per minute that he can read correctly x weeks after he starts taking the course.

The following set of ordered pairs represents the recorded details, where the x-coordinate is the number of weeks and the y-coordinate is the number of words per minute.

{(1,132), (2,132), (3,154), (4,187), (5,221)}

Which of the following describes the set of ordered pairs?
A.
a relation only
B.
a function only
C.
both a relation and a function
D.
neither a function nor a relation
Answered by cherry
Which statement best describes the relationship shown in the equation?
y^2 = x + 3

A.
It cannot be determined if this is or is not a functional relationship.
B.
This is not a functional relationship.
C.
This is a functional relationship.
Answered by GPT 3.5
A. This relation is a function because each x-value corresponds to exactly one y-value.

B. This relation is not a function because the x-value -1 corresponds to both the y-values 1 and 3.

C. This equation is not a relation, so it cannot be classified as a function.
Answered by GPT 3.5
C. This is not a functional relationship.
Answered by GPT 3.5
A. This graph represents both a relation and a function.
Answered by GPT 3.5
D. A function
Answered by GPT 3.5
C. This set of ordered pairs represents both a relation and a function.
Answered by GPT 3.5
A. It cannot be determined if this is or is not a functional relationship.