calculus for business *

Find the absolute maximum and minimum values of the function over the indicated interval, and indicate the x-values at which they occur. f(x)=x2-8X-4; 12,81 The absolute maximum value is atx= (Use a comma to separate answers as needed.) Find the absolute maximum and minimum, if either exists, for the function on the indicated interval. f(x)=(x-2)(x - 18) +15 (A) [0,15 (B) (5, 20) (C) (15, 19) (A) Find the absolute maximum. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. The absolute maximum is at x (Use a comma to separate answers as needed.) B. There is no absolute maximum