SOLUTION: help me find the domain of {{{7x/(x+4) }}} how and why?
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-> SOLUTION: help me find the domain of {{{7x/(x+4) }}} how and why?
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Question 6758
:
help me find the domain of
how and why?
Answer by
ichudov(499)
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The domain is simply all points where the function is defined. The only way this one can be UNdefined is when the denominator is 0.
x+4 = 0 x=-4.
So, the domain is all values of x EXCEPT -4.