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fmas6855
10.11.2019 •
Mathematics
The minimum value of f(x) = x3 – 3x2 – 9x + 2 on the interval [–4, 0] is
–74
–25
2
7
Solved
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Ответ:
-74
Step-by-step explanation:
Graph the function. See attached picture. Between the interval where -4 > x < 0, the graph rises up to a peak and descends back down when x = 0. This means the minimum value will be where x = -4.
Substitute x = -4 into the equation.
f(-4) = (-4)^3 -3(-4)^2 - 9(-4) + 2
f(-4) = -64 -3(16) +36 + 2
f(-4) = -64 - 48 + 36 + 2
f(-4) = -74
Ответ:
d
Step-by-step explanation:
edge 2020
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