4. (show your work and bubble the correct answer) Which expression is equivalent to (sqrt (4x^5))(sqrt (8x^4)) , where x is positive, without a perfect square factor in the radicand? A 8x^5sqrt (2x) C 2x^4sqrt (2x) B 4x^4sqrt (2x) D 4x^5sqrt (2x)

To solve this problem, we need to simplify the given expression .Step 1: Simplify each square root separately. Step 2: Multiply the simplified expressions. Step 3: Simplify the expression further. Therefore, the correct answer is C) .