4. For the function below, please answer the following. (14 points) f(x)=-5 \cos \left(\frac{\pi}{3}(x-1)\right)-2 a. What is the midline (vertical shift)? b. What is the amplitude? d. What is the

period? c. What is the phase shift (horizontal shift), if any? e. Use this information to sketch a graph. Please show at least two full periods.