Find the domain of f(x) = inside the square root is x + 2
R RicanGurl Junior Member Joined Sep 30, 2007 Messages 56 Sep 30, 2007 #1 Find the domain of f(x) = inside the square root is x + 2
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Sep 30, 2007 #2 In the real numbers we must rule out the square roots of any negative numbers. \(\displaystyle \sqrt {x + 2} \quad \Rightarrow \quad x \ge - 2\)
In the real numbers we must rule out the square roots of any negative numbers. \(\displaystyle \sqrt {x + 2} \quad \Rightarrow \quad x \ge - 2\)
