On what interval (s) are f(x) = x3 2x²+x+6 decreasing?

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asked Sep 28, 2022 192k views

2 Answers

Supun Sameera · Answer 1 · 2022-10-01T18:20:59+0000

If you are talking about 2x^2 + x + 6 then the intervals would be decreasing based on where it is based on the vertex,
-b/2a = -1/2, plug -1/2 in 1/2 -1/2 + 6 = 6, vertex = (-1/2, 6) so the equation is decreasing (infinity) > x > -1/2

On what interval (s) are f(x) = x3 2x²+x+6 decreasing?

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