Write down the sums (but DO NOT add them up) that you would use to estimate the area A(2x, 1 ≤ x ≤ 4) using six intervals and: Homework Help ✎
Find the width.
Draw the graph and label.
left − hand approximation = 0.5(21 +21.5 + 22 + 22.5 + 23.5)
Be careful with the start and end heights!
Draw all of the trapezoids. Then calculate the area for each.