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saul85 [17]
3 years ago
15

Which set of ordered pairs represents a function, and how does it represent that function?

Mathematics
1 answer:
Jobisdone [24]3 years ago
5 0
B is the only one thats a function because it has one X for every Y while the other options have multiple X's for one Y. That does not pass the vertical line test and therfore not a function.
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To find the value of f(3) we need to follow the below steps :

Step 1 : First plot the graph of f(x)

Step 2 : We need to find f(3) or the function value at x = 3 therefore, in the graph locate the point (3,0)

Step 3 : Draw a line parallel to Y-axis passing through the point (3,0) .

Step 4 : Now there exists two cases :

If the drawn line do not intersect the graph of f(x), then no value of f(3) exists for the given function of x

If the drawn line intersects the graph, then the intersection point is marked and a line parallel to x - axis is drawn passing through that marked or intersection point. And the line where it intersects the y - axis is our required value of f(3).

If this is wrong than I guess I wasn't smart enough :)

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2 years ago
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9 hours and 35 min.
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I hope this helps you


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width w


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13=2w+5


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length =4+5=9
3 0
3 years ago
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MAXImum [283]

Answer:

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Step-by-step explanation:

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