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13 Nov 2019

Find the intervals on which the function is concave up and concave down. Then identify any points of inflection and where they occur. y = x^4 + 2x^3

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Sixta Kovacek
Sixta KovacekLv2
9 May 2019

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(1 point Let .  Find the open intervals on which fi is concave up (down) THen determine the x-coordinates of all infection points of 

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2. f is concave down on the intervals .....................

3. The infection points occur at x=............... 

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