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Determine whether the formula describes Y as a function of X: y=9x+1
 one year ago
 one year ago
Determine whether the formula describes Y as a function of X: y=9x+1
 one year ago
 one year ago

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S0fw0NBest ResponseYou've already chosen the best response.0
if every (x) has 1 (y) then (y) is a function of (x)
 one year ago

S0fw0NBest ResponseYou've already chosen the best response.0
now if every (x) has 2 (y) s then (y) is not a function of (x) (x) is a function of (y)
 one year ago

S0fw0NBest ResponseYou've already chosen the best response.0
did u get it @larrissia
 one year ago

seidi.yamautiBest ResponseYou've already chosen the best response.0
S0fw0N is waiting for you to give the real answer. So he/she just explained how it works!
 one year ago

seidi.yamautiBest ResponseYou've already chosen the best response.0
You need to see if the formula is injective.
 one year ago

seidi.yamautiBest ResponseYou've already chosen the best response.0
(if you plot the function, there must be just one y for each x, but there can be two or more x for an y value)
 one year ago

dpaIncBest ResponseYou've already chosen the best response.1
in plain english, for any ONE x value, will you have only ONE y value?
 one year ago

jefftheloveableguyBest ResponseYou've already chosen the best response.0
Yes for example if at (2,4). The point (2,7) would not make it a function because it does not pass the vertical line test.
 one year ago
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