##### Functions equations x

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the equation x-6+4y=4 is it a function

Jun 27th, 2015

A definition of a function is a “special relationship where each input has a single output.  It is written

As f(x) , where x is the input value.

For example,

f(x) = x/2  is a function  because each input x has a single output x/2

f(2) = 1

f(16) = 8

f( -10) = -5

Now for the equation

X – 6 + 4y = 4

Simplify:

X + 4y – 6 = 4

X + 4y-6 + 6 = 4 + 6

X + 4y = 10  ; it is not a function because there is two variable or two inputs values.  Each input does not have a single output values.

F( 2) =  2+4y = 10 , not a function

Jun 27th, 2015
Jun 27th, 2015

I'm am working on a similar problem to the one you just answered and this was a big help

Jun 27th, 2015

OK THANKS. PLEASE GIVE ME A RATING OF 5. I can help you again on future questions.

Jun 27th, 2015

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Jun 27th, 2015
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Jun 27th, 2015
Sep 21st, 2017
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