2 parts

Suppose the average daily metabolic rate for certain types of animals can be expressed as a function of mass by r= 150.4m , where m is the mass of the animal (in kilograms) and r is the metabolic rate (in kcal per day). a. If the mass of an animal is changing at a rate of , find . b. Determine - for a 70-kg animal that is gaining mass at a rate of 2 kg per day. a. If the mass of an animal is changing at a rate of , find dr dt