For the function : (a) Find the critical numbers of f (if an…

For the function : (a) Find the critical numbers of f (if any); (b) Find the open intervals where the function is increasing or decreasing; and (c) Apply the First Derivative Test to identify all relative extrema. ​ Use a graphing utility to confirm your results. ​

For the function : ​ (a) Find the critical numbers of f (if…

For the function : ​ (a) Find the critical numbers of f (if any); (b) Find the open intervals where the function is increasing or decreasing; and (c) Apply the First Derivative Test to identify all relative extrema. ​ Then use a graphing utility to confirm your results. ​

A container holds 6 liters of a 25% brine solution. A model…

A container holds 6 liters of a 25% brine solution. A model for the concentration C of the mixture after adding x liters of an0.88 % brine solution to the container and then draining x liters of the well-mixed solution is given as . Find . Round your answer to two decimal places. ​