Suppose that x=ln(A) and y=ln(B). Write the following expressions in terms of x and y (so you cannot have an A or B anywhere in your answers)

Question

Answer the following problem: ln(A^4 x sqrt(b))

Answer 1

ln(A^4(B)^1/2)

= lnA^4 + lnB^1/2

= 4lnA + (1/2)lnB

= 4x + y/2