mslife2034 mslife2034

15-03-2024
Mathematics

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Determine where the graph of (f(x) = 2x³ + 27x² + 49x - 86) is concave down.
a) (x < -27/2)
b) (-27/2 < x < -7/2)
c) (-7/2 < x < 2)
d) (x > 2)

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