Last summer, a lake's average water level was 20 ft. This summer, the lake's average water level was 11 feet. What was
the percent change in the lake's average level?

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=[? ]