SOLUTION: Describe the behavior of the curve y = - x3 + 2x2 + 4x - 5 at the point (0, -5). Select all that apply. increasing decreasing concave up concave down

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Question 1111350: Describe the behavior of the curve y = - x3 + 2x2 + 4x - 5 at the point (0, -5).
Select all that apply.
increasing
decreasing
concave up
concave down

Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming it is +y+=+-x%5E3+%2B+2x%5E2+%2B+4x+-+5+

then +dy%2Fdx+=+-3x%5E2+%2B+4x+%2B+4+
and +d%5E2y%2Fdx%5E2+=+-6x+%2B+4+
At x=0, +dy%2Fdx+=+4+ —> y is increasing
At x=0, +d%5E2y%2Fdx%5E2++=+4+ —> the curve is concave up