Hello, can you help me understand the following? I appreciate it

Question 1

\f5 ) Many collectibles have values that fluctuate significantly over time . It has been found that the value of a near - mint condition 195 Topps Roberto Clemente baseball card can be approximated by the function B ( X ) 15x 2 + 390x + 115 on the interval OS X5 22 where x is in years and x - O corresponds to the year 1984 . NOTE : Doing this problem by trial and error or guess and check will result in a score of O points regardless of whether your answer is correct . When ( what year ) did the maximum value of this baseball card occur and what was the maximum value of this baseball card