Wallle. Write a differential equation that describes each relationship. If necessary, use k as the constant of proportionality. 1. The rate of change of Y with respect to w is directly 2. The rate of change of S with respect to y is proportional to the square of x. proportional to the square root of u and inversely proportional to v. 3. L is increasing with respect to x at a rate that is 4. The rate of change of U with respect to a is proportional to the cube root of m. The rate of inversely proportional to the cube of v. The rate of change of L is 12 when m = 5. change of U is -5 when v =