please find maximum and minimum values of A B and C

Find the absolute maximum value on (0, co) for f(x) = 7x - 5x In x. E Select the correct choice below and, if necessary, ll in the answer boxes to complete your choice. @3 A- The absolute maximum is D at x = Cl. (Round to two decimal places as needed.) 0 B. There is no absolute maximum. Find the absolute maximum and minimum, if either exists, for the function on the indicated interval. f(x)=2x3 -18x2 + 30x+ 10 (A) [' 2. 5] (B) [2. 5] (C) [2. 5]