Asked by sam

Use the rectangle (mid-point) rule, with n=3 to approximate the integral of 2x-x^2 from -6 to 0.
Answered by Damon
calculate y at the mid points (-5 -3 -1 )
f(-5)=
f(-3)=
f(-1)=
then integral = 2 f(-5) + 2 f(-3) + 2 f(-1)