Afunction y(t) satisfies the differential equation dy dt = y4 − 10y3 + 16y2. (a) what are the constant solutions of the equation? (enter your answers as a comma-separated list.) y = (b) for what values of y is y increasing? (enter your answer in interval notation.) y is in (c) for what values of y is y decreasing? (enter your answer in interval notation.) y is in