kellyspeakslouder kellyspeakslouder

26-08-2016
Mathematics

contestada

Determine the domain of the function.

f(x)=√1·x
A. all real numbers
B. x>1
C. x≤1
D.all real numbers except 1

Respuesta :

dalendrk dalendrk

26-08-2016

[tex]f(x)=\sqrt{1-x}\\\\The\ domain:1-x\geq0\ \ \ \ \ |subtract\ 1\ from\ both\ sides\\\\-x\geq-1\ \ \ \ \ |change\ signs\\\\x\leq1[/tex]

Answer: C. x≤1.

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