QUESTIONS
Question 1
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Question 2
Find the domain and range of the relation.
{(23,4), (−3,8), (−25,−21), (20,13), (21,−14)}
Note: Do not add spaces in your answer.
Question 3
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Question 4
Determine whether y= −2x2 + 1 is a function.
- yes
- no
Question 5
Use the graph to find the domain and range of the relation.
Note: no need to repeat the same values in your answer, if applicable.
Question 6
Determine whether −9x – 3y2 = 6 represents a function of x.
- yes
- no
Question 7
Use the graph to find the domain and range of the relation.
Question 8
Use the graph to find the domain and range of the relation.
Question 9
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Question 10
Use the set of ordered pairs to determine whether the relation is a function.
{(−19,16),(−16,−2),(−4,14),(1,5),(−20,4),(1,−10)}
- Yes, the relation is a function.
- No, the relation is not a function.
Question 11
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Question 12
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Question 13
Determine whether −2x2 − 2y = −6 is a function.
- yes
- no
Question 14
Determine whether y2 = −3x − 2 is a function.
- yes
- no
ANSWERS:
Question 1
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Answer: No, the relation is not a function.
Question 2
Find the domain and range of the relation.
{(23,4), (−3,8), (−25,−21), (20,13), (21,−14)}
Note: Do not add spaces in your answer.
Answer: domain: {−25, −3, 20, 21, 23}, range: {−21, −14, 4, 8, 13}
Question 3
Use the mapping to determine whether the relation is a function.
- Yes, the relation is a function.
- No, the relation is not a function.
Answer: Yes, the relation is a function.
Question 4…
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