Identify the equivalent expression for each of the expressions below.

A. x+3 square root
1. 3x^1/2
2. (x+3)^1/2
3. x^1/2+3
4. (3x)1/2

B.
√x+3
1. 3x^1/2
2. (x+3)^1/2
3. x^1/2+3
4. (3x)1/2

C. 3x square root
1. 3x^1/2
2. (x+3)^1/2
3. x^1/2+3
4. (3x)1/2

D. 3√x
1. 3x^1/2
2. (x+3)^1/2
3. x^1/2+3
4. (3x)1/2

A. 4. (3x)1/2

B. 2. (x+3)^1/2
C. 1. 3x^1/2
D. 1. 3x^1/2