A) Domain
B) Image
C) Function
D) Range

A) Input
B) Relation
C) Range
D) Domain

A) Constant
B) Range
C) Input
D) Output

A) {5,6}
B) {1,2,3}
C) {1,3,5}
D) {2,4,6}

A) {1,2,3}
B) {1,3,5}
C) {5,6}
D) {2,4,6}

A) Graph
B) Mapping diagram
C) All of the above
D) Table of values

A) Variables only
B) Single values
C) Numbers only
D) Ordered pairs

A) Origin
B) Line
C) Y-axis
D) X-axis

A) {(1,2), (2,3)}
B) {1,2,3}
C) {(2,4), (4,8)}
D) {(a,b), (b,c)}

A) Linear
B) One-to-one
C) A function
D) Not a function

A) One-to-one
B) Function
C) None
D) Not a function

A) Each x has many y
B) Each x has exactly one y
C) Each y has exactly one x
D) Each y has many x

A) Function
B) Range
C) Domain
D) Equation

A) Table
B) Relation
C) Function
D) Equation

A) One city with one ZIP code
B) A student with two ID numbers
C) One student with one ID number
D) Each teacher with one subject

A) greater than or equal to
B) greater than
C) less than
D) equal

A) equal
B) more than
C) greater than
D) less than

A) shaded half-plane below the line
B) solid line
C) parabola
D) shaded half-plane above the line

A) line
B) half-plane
C) parabola
D) single point

A) vertex
B) intercept
C) test point
D) root

A) A. {(1,2), (2,3), (3,3)}
B) C. {(2,4), (3,4), (4,4)}
C) D. Both A and C
D) B. {(1,2), (1,3)}

A) one-to-one
B) one-to-many
C) function
D) constant

A) Teacher → Class
B) Student → LRN
C) Subject → Students
D) Mother → Children

A) None
B) Shaded above the line
C) Shaded below the line
D) Dashed line

A) The graph is a parabola.
B) The test point is never used.
C) The boundary line has no slope.
D) The boundary line divides the plane into two half-planes.

A) y < 2x + 1
B) y > –x
C) y ≤ 2x + 1
D) y > 3x

A) False
B) True

A) none
B) outside region
C) solution region
D) boundary line

A) None
B) Below the line
C) Above the line
D) On the line

A) Both 3 and 5
B) None
C) 5
D) 3

A) One element maps to many
B) All elements map to the same number
C) Many elements map to one
D) One element maps to one unique element

A) Outputs may have no input
B) Inputs may have many outputs
C) Each input has one output
D) Each output has one input

A) >
B) <
C) ≤
D) ≥

A) Solid
B) Thick
C) Invisible
D) Dashed/Broken

A) Solid line
B) Dotted line
C) Curved line
D) Dashed line

A) y = 2x + 1
B) y = 2x + 3
C) y = 3x – 1
D) y = 4x

A) Yes
B) No

A) D. Both A and C
B) B. (0,1)
C) A. (1,5)
D) C. (2,8)

A) y < x – 1
B) y > x – 1
C) y = x – 1
D) y ≥ x – 1

A) (–1,3)
B) (0,0)
C) (1,3)
D) (2,5)

A) {(1,2), (2,3), (3,4)}
B) {(2,4), (2,5)}
C) {(1,1), (1,2)}
D) {(3,3), (3,4)}

A) True
B) False

A) Slope changes.
B) Shading flips side and line becomes dashed.
C) Shading remains same.
D) Line stays solid.

A) Every phone has a user.
B) Some people have more than one phone number.
C) All phone numbers are unique.
D) A person has exactly one phone number.

A) Each person has a birthday.
B) Each student has one ID number.
C) Each student has a favorite subject.
D) Each city has one ZIP code.

A) a function
B) linear
C) not a function
D) one-to-one

A) All functions are nonlinear.
B) Some relations are not functions because one x can map to two y’s.
C) All relations pass the vertical line test.
D) Relations are always linear.

A) Coin → Machine
B) Button → Selected drink
C) Button → All available drinks
D) Drink → Customer

A) y = 500
B) y > 500
C) x ≥ 500
D) x ≤ 500

A) x + y ≥ 7
B) x ≤ 4, y ≤ 3
C) x > 4, y > 3
D) x + y ≤ 4