I also need help with this one

What is the greatest common factor of 8 and 36

Equation for the calculation double 2 and then add 5

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=[? ]