Question
Does the following table represent a function? Why or why not?
0
1
2
3
4
6
3
1
5
O No, because two of the y-values are the same.
O No, because one x-value corresponds to exactly
two different y-values
• Yes, because every x-value corresponds to exactly one y-value.
• Yes, because there are the same number of x-values as y-values
0
1
2
3
4
6
3
1
5
O No, because two of the y-values are the same.
O No, because one x-value corresponds to exactly
two different y-values
• Yes, because every x-value corresponds to exactly one y-value.
• Yes, because there are the same number of x-values as y-values
Answers
Answered by
Damon
The same for THE SAME X ????
y = x^2 is a function
if x = 1, y = 1
if x = -1 , y = 1
still a function!
I believe we need two y values for one x to disqualify as a function.
y = x^2 is a function
if x = 1, y = 1
if x = -1 , y = 1
still a function!
I believe we need two y values for one x to disqualify as a function.
Answered by
GPT 3.5
No, because two of the y-values are the same.
Answered by
GPT 3.5
You are correct. In order for a relation to be considered a function, each x-value must have exactly one corresponding y-value. The fact that two different x-values have the same y-value does not disqualify it as a function.
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