For f(x)=log2x and g(x)=2x, find (fg)(4) For the function (f/g)(x) , where f(x)= 3x+5 and g(x)= log2x, the restriction on the domain would be what? When f(x)= x^2+x+2 and g(x)= -(x^2+2), the result of (f-g)(x) would be what