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

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

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

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

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

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

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

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

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

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

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

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) Domain
B) Range
C) Equation
D) Function

A) Relation
B) Function
C) Table
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) less than
B) greater than
C) equal
D) greater than or equal to

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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

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

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

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

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

A) <
B) >
C) ≤
D) ≥

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

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

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

A) Yes
B) No

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

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

A) (–1,3)
B) (1,3)
C) (2,5)
D) (0,0)

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

A) False
B) True

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

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

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

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

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

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

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