If f(x)= x^2/4+1 and g(x)= square root of x What is f(x)g(x)

a. x² √x 4 +1 x²√x 4 +1
b. x3 2+1 4 +1+1 4
c. x²√x+√x x²√x+√x 4 4
d. x²√x 4 x²√x 4