Question

Evaluate the integral by interpreting it in terms of areas.
int_(0)^(9) (7/2x - 21)dx

can someone please help me with this question i keep on getting the wrong answer...the answer i got was -324/4
bobpursley
The integral is (7/4 x^2-21x) evaluated from zero to 9 is 7*81/4-21(9) How did you get your answer?
so the answer is 567/-185

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