Question 856186
Domain is all numbers except the ones that make the denominator zero since division by zero is undefined.
{{{x^2-14x+49=0}}}
{{{(x-7)^2=0}}}
{{{x-7=0}}}
{{{x=7}}}
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({{{-infinity}}},{{{7}}})U({{{7}}},{{{infinity}}})
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{{{graph(300,300,-3,17,-10,10,(7-5x)/(x^2-14x+49))}}}