A, B,C, or D? please help

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=[? ]

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Find the solution(s) to x^2-14+49=0