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Trigonometry
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OpenStudy (anonymous):
which of the following has the graph of functions? :) a. x^2-y^2=1 b.x+y^2=1 c.x^2+y^2=9 d. x^2=y-9
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OpenStudy (anonymous):
The last one.
OpenStudy (anonymous):
why?
OpenStudy (anonymous):
Because it the only one that give you one value of y for a given value of x
OpenStudy (anonymous):
The others gives you more than one
OpenStudy (only4u):
because we cannt have more than one values of y for a single value of x ..
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OpenStudy (anonymous):
can i ask another question? :( im really having a hard time with trigo :(
OpenStudy (anonymous):
Please answer this for me :( plssss :(
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