Question: Show that y/x for the function f (x) . = x2 over the interval [x1, x2] is not a constant, but depends on the interval.

Show that Δy/Δx for the function f (x) . = x2 over the interval [x1, x2] is not a constant, but depends on the interval. Determine the exact dependence of Δy/Δx on x1 and x2.

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