Asked by Alice
Find the value of f on the top "9" on the bottom "1" x^2dx using four rectangles of equal width, with each left end-point used to find the height of each rectangle.
a) 2(1+9+25+49)
b) 2(9+25+49+81)
c) 0.5(1+9+25+49)
d) 0.5(9+25+49+81)
a) 2(1+9+25+49)
b) 2(9+25+49+81)
c) 0.5(1+9+25+49)
d) 0.5(9+25+49+81)
Answers
Answered by
oobleck
each rectangle has width (9-1)/4 = 2
using left endpoints, that would mean you want
2(f(1)+f(3)+f(5)+f(7)) = 2(1+9+25+49)
using left endpoints, that would mean you want
2(f(1)+f(3)+f(5)+f(7)) = 2(1+9+25+49)
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