How do i solve #2 using the product rule?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Add the fractions and simplify 1/2+ 1/3

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=[? ]