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Is there a way to determine weather a  relation is a function,algebraically?

Asked by sumankumaribharti 26th April 2019, 11:00 AM
Answered by Expert
When you are given an equation and a specific value for x, there should only be one corresponding y-value for that x-value.
For example, y = x + 1 is a function
because for every value of x there will be only one value of y
If you get 2 different values of y for a value of x then it is not a function.
Answered by Expert 30th April 2019, 9:29 AM
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