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Mathematics, 09.11.2020 01:20 tommyaberman

Test concavity of the function y=x^3+4x-9 a. Find dy/dx

b. find d^2y/dx^2

c. Find x coordinate of inflection point.

d. Find the intervals, and use f''(x) to check concavity of each interval.

e. Find the inflection point (x, y).

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Test concavity of the function y=x^3+4x-9 a. Find dy/dx

b. find d^2y/dx^2

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