A business provides a $50,000 life insurance policy for each of its employees. The annual cost in
dollars of a policy (which depends on the age of the employee) can be approximated by () =
4.550.075, where x is the age of the employee in years (18 ≤ ≤ 65). Find and interpret all
extrema within the given interval.
a. minimum(s):______________________________
b. maximum(s):______________________________
c. Interpretation of extrema: