Math 8 Unit 4 Review
____1.Complete the input-output table for the function .
Input / Output2 / ?
? / 5
3 / ?
? / 9
a. / / c. /
b. / / d. /
____2.Make an input-output table for the function y = 2x + 4. Use x-values of 1, 2, 3, 4, and 5.
a. / / c. /b. / / d. /
____3.Which function rule matches the input-output table?
Input, x / 1 / 2 / 3 / 4 / 5Output, y / 7 / 11 / 15 / 19 / 23
a. / / b. / / c. / / d. /
____4.For which value of x is the relation not a function?
{(0, 1), (x, 0), (3, 5), (2, 6)}
a. / 1 / b. / 3 / c. / 4 / d. / 65.Find the range of the function.
Input / Output1 / 11
9 / 6
4 / 5
6.Does the input-output table represent a function? If it does represent a function, list the domain and range.
Input / 3 / 4 / 5 / 6Output / 14 / 19 / 24 / 29
7.Decide whether the information defines a function. If it does, state the domain of the function.
Input / 0 / 1 / 2 / 3 / 4Output / 1 / 2 / 3 / 2 / 1
8.Decide whether the information defines a function. If it does, state the domain of the function.
Input / a / b / c / dOutput / 0 / 1 / 0 / 1
9.Does the input-output table represent a function? If it does represent a function, list the domain and range. If it does not represent a function, explain why.
Input / 1 / 2 / 3 / 4Output / 6 / 7 / 8 / 9
Determine whether the relation is a function.
10.
Math 8 Unit 4 Review
Answer Section
1.ANS:BPTS:1DIF:Level BREF:MALG0198
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:function | relation
BLM:ComprehensionNOT:978-0-618-65612-7
2.ANS:APTS:1DIF:Level BREF:MALG0203
TOP:Lesson 1.6 Represent Functions as Rules and Tables
KEY:graph | output | function | table | inputBLM:Knowledge
NOT:978-0-618-65612-7
3.ANS:BPTS:1DIF:Level BREF:MALG0205
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:output | function | table | input
BLM:ComprehensionNOT:978-0-618-65612-7
4.ANS:BPTS:1DIF:Level B
REF:7f1df655-cdbb-11db-b502-0011258082f7
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:relation | function
BLM:KnowledgeNOT:978-0-618-65612-7
5.ANS:
The range is the collection of the output values: 11, 6, and 5.
PTS:1DIF:Level BREF:MALG0193
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:domain | range | relation
BLM:KnowledgeNOT:978-0-618-65612-7
6.ANS:
Yes, the table does represent a function. The collection of the input values is the domain: 3, 4, 5, and 6; and the collection of output values is the range: 14, 19, 24, and 29.
PTS:1DIF:Level BREF:MALG0194
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:equation | function | table
BLM:KnowledgeNOT:978-0-618-65612-7
7.ANS:
It does. Domain: 0, 1, 2, 3, 4
PTS:1DIF:Level BREF:MALG0195
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:function | domain | determine
BLM:KnowledgeNOT:978-0-618-65612-7
8.ANS:
It does. Domain: a, b, c, d
PTS:1DIF:Level BREF:MALG0196
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:function | determine | input | output
BLM:KnowledgeNOT:978-0-618-65612-7
9.ANS:
Yes, the table does represent a function. The collection of the input values is the domain: 1¸ 2¸ 3¸ and 4; and the collection of output values is the range: 6¸ 7¸ 8¸ and 9.
PTS:1DIF:Level BREF:MALG0199
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:equation | function | table
BLM:ComprehensionNOT:978-0-618-65612-7
10.ANS:
The relation is not a function.
PTS:1DIF:Level AREF:7f1e1d65-cdbb-11db-b502-0011258082f7
TOP:Lesson 1.6 Represent Functions as Rules and TablesKEY:relation | function
BLM:KnowledgeNOT:978-0-618-65612-7