Question

what defines a function ?

Answer 1

In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Answer 2

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Answer 3

so ( 2, 3 ) ( 3 , 5 ) ( 4 , 5 ) is a function

Answer 4

this video further explains this http://www.youtube.com/watch?v=-fZLAYn9sGY

Answer 5

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Answer 6

f(x) = x2, we have the ordered pair (−3, 9).

Answer 7

example, each x-value goes to only one y-value when graphing. THe line must pass the vertical line test in order for it to become a function. Each vertical line drawn through in the graph must intersects to only ONE point.

Answer 8

alright cool thanks