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OpenStudy (anonymous):
Determine whether each relation is a function. 1) y=x - 5
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OpenStudy (raffle_snaffle):
yeah it is a funtion
OpenStudy (raffle_snaffle):
because it passes the vertical line test...
OpenStudy (raffle_snaffle):
|dw:1396134026074:dw|
OpenStudy (richyw):
maybe look at that graph again @raffle_snaffle
OpenStudy (anonymous):
can you show me the steps
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OpenStudy (anonymous):
guys
OpenStudy (the_fizicx99):
Raffle you plot the y intercept at (0,-5)
OpenStudy (richyw):
OpenStudy (richyw):
ok so to be a function, for each value of x, there must only be one value of y. That's why you can use the vertical line test.
OpenStudy (richyw):
so something like this|dw:1396134706627:dw|would not be a function
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