ing-2018 7 WorkbookWeek8: Problem 4 Previous Problem List Next Results for this
ID: 2888176 • Letter: I
Question
ing-2018 7 WorkbookWeek8: Problem 4 Previous Problem List Next Results for this submission Entered Answer Preview Result 1.25 1.25 41.5 41.5 correct At least one of the answers above is NOT correct. (1 point) (This problem is similar to workbook problem 1 of Global Extrema) Let/(x) =x, + 1.5/ + 1. On the interval [-1,3], the global minimum ot f(x) is | and the the global maximum off(x) is Note: You can eam partial credit on this problem. Preview My Answers Submit Answers Your score was recorded You have attempted this problem 1 time. Yu received a score of 50% for this attempt. Your overall recorded score is 50%. You have 5 attempts remaining.Explanation / Answer
f(x)= x3+1.5x2+1
f'(x) = 3x2+3x
Critical numbers
f'(x)=0
3x(x+1)=0
x=0, x=-1
f(-1)=-1+1.5+1=1.5
f(0)=0+0+1=1
f(3)= 27+13.5 +1=41.5
Global minimum is 1 and the global maximum is 41.5
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