Question

LINES AND FUNCTIONS Identifying functions from relations For each relation, decide whether or not it is a function. Relation 1 Domain Range paper star tree sky desk -9 -7 Function Not a function Relation 2 Domain Range -9 -7 -6 0 -7 -4 7 Function Not a function Relation 3 {(t, t), (s, r), (r, t), (h, r)} Function Not a function Relation 4 {(4, z), (-2, z), (-9, z), (7, z)} Function Not a function

          LINES AND FUNCTIONS
Identifying functions from relations
For each relation, decide whether or not it is a function.
Relation 1
Domain
Range
paper
star
tree
sky
desk
-9
-7
Function
Not a function
Relation 2
Domain
Range
-9
-7
-6
0
-7
-4
7
Function
Not a function
Relation 3
{(t, t), (s, r), (r, t), (h, r)}
Function
Not a function
Relation 4
{(4, z), (-2, z), (-9, z), (7, z)}
Function
Not a function

LINES AND FUNCTIONS
Identifying functions from relations
For each relation, decide whether or not it is a function.
Relation 1
Domain
Range
paper
star
tree
sky
desk
-9
-7
Function
Not a function
Relation 2
Domain
Range
-9
-7
-6
0
-7
-4
7
Function
Not a function
Relation 3
(t, t), (s, r), (r, t), (h, r)
Function
Not a function
Relation 4
(4, z), (-2, z), (-9, z), (7, z)
Function
Not a function

Added by Matthew H.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Lauren Shelton

07/11/2022

Step 1

Since paper does not have a unique corresponding value in the range, this relation is not a function. ** Show more…

Show all steps

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LINES AND FUNCTIONS: Identifying Functions from Relations For each relation, decide whether or not it is a function. Relation 1 Domain: paper, star, tree, sky, desk Range: -9, -7 Relation 2 Domain: -9, -7, -6, 0 Range: -7, -4, 7 Relation 3 {(t, t), (s, r), (r, t), (h, r)} Relation 4 {(4, z), (-2, z), (-9, z), (7, z)}