Bob is awake for 15 hours a day and divides that time between hours of exercise, x, and hours of study, s. Bob’s preferences are represented by the following utility function
u(x,s) = 2 ln x + s
1. What is Bob's time "budget constraint"?
2. What is Bob's marginal utility of exercise?
3. What is Bob's marginal utility of study?
4. What are Bob's optimal choices of x and s?