points) possible A formula for the relationship between weight and blood pressure in children is given by the formula below where P(x) is measured in millimeters of mercury and x is measured in pounds. Use the formula to answer the questions. P(x) = 12.9(2 + In x) 10 SXS 100 . . . What is the rate of change of blood pressure with respect to weight at the 30-pound weight level? The rate of change at the 30-pound weight level is approximately mm/pound. (Do not round until the final answer. Then round to the nearest hundredth as needed.) What is the rate of change of blood pressure with respect to weight at the 100-pound weight level? The rate of change at the 100-pound weight level is approximately mm/pound. (Do not round until the final answer. Then round to the nearest hundredth as needed.)