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miv72
5 days ago
11

A function f on [a, b] is called a step function if there exists a partition P = {a = u0 < u1 < ··· < cm = b} of [a, b]

such that f is constant on each interval (uj−1, uj ), say f(x) = cj for x in (uj−1, uj ). (a) Show that a step function f is integrable and evaluate " b a f.
Mathematics
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The average of the 10 sales figures for store A is $40,000.

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Provided;

yˆ= −3,000 + 1.2x...................... (1)

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