What is the measure of AC?

Is the square root of 4 plus the square root of 16 rational?

How can you construct perpendicular lines and prove theorems about perpendicular lines

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]