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gaurip2012
Average Member

USA
10 Posts

Posted - 03/28/2013 :  17:54:12  Show Profile  Reply with Quote
which of these are a function

a) x+y+16
b)y=[sqrt x+16]
c)y=x+2x+16
d)y=[sqrt x+6x+25]
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Ultraglide
Advanced Member

Canada
299 Posts

Posted - 03/28/2013 :  20:05:01  Show Profile  Reply with Quote
For the first one do you mean x+y=16?

Sketch each one and use the vertical line test.
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gaurip2012
Average Member

USA
10 Posts

Posted - 03/29/2013 :  12:25:46  Show Profile  Reply with Quote
yes, and thanks for the advice
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the_hill1962
Advanced Member

USA
1468 Posts

Posted - 04/01/2013 :  10:22:06  Show Profile  Reply with Quote
You are welcome!
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