91Ó°ÊÓ

Simplify. $$ \sqrt{192 x}-\sqrt{75 x} $$

For each function given below, (a) determine the domain and the range, (b) set an appropriate window, and (c) draw the graph. Graphs may vary, depending on the scale used. $$ f(x)=x \ln (x-2.1) $$

Solve \(\log _{8}(2 x+1)=-1\)