What is the range of the function shown below? f(x)=-12/(x^2+6) All real numbers less than 0
All real numbers greater than or equal to -2 and less than 0
All real numbers
All real numbers greater than or equal to - 2

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]