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Compute Δy and dy for the given values of x and dx = Δx. Then sketch a diagram like Figure 5 showing the line segments with lengths dx, dy, and Δy.
(a) y = 2x - x2, x = 2 Δx = - 0.4
(b) y = 2/x, x = 4, Δx = 1
Figure 5 |
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