Answer:
slope = -
Step-by-step explanation:
the slope of the secant line in the closed interval [a, b ] is
slope =
here [a, b ] = [1, 4 ]
f(b) = f(4) = - + 5 = - 16 + 5 = - 11
f(a) = f(1) = - + 5 = - 2 + 5 = 3
slope = =
= -
[[-2,10],[0,4],[4,-8],[6,-14],[9,-23]]
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