If f(x) = e², what is f'(x)? (2.) If g(x) = r², what is g (x)? O f'(x) = 0. g'(x) = 2x O f'(x) = 2e, g'(x) = 0 O f(x)=2e, g'(x) = 2x O f'(x) = 0, g'(x) = 0