3. You have 100m of fencing to construct a rectangular garden. Determine the dimen- sions of the garden with maximum area by following these steps. (a) Draw a diagram, and include any variables. (b) Determine a function which will be maximized, and express that function using only one variable. (c) Find the domain of the function. (d) Find the critical numbers of the function. (e) Determine the dimensions of the garden with maximum area.