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MAC5494
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Homework Statement
I've been looking at the problem for a while and I just can't figure it out. It is graph sketching.
[STRIKE]y=x2(x2-4)2[/STRIKE]
the correct equation is this:
y=x2(x-4)2
Homework Equations
Solve for critical points, and inflection points in order to get points needed to graph function.
The Attempt at a Solution
[STRIKE]y=x2(x-4)2[/STRIKE]
y=x2(x2-4)2
y=x4-8x3+16x2
y'=4x3-24x2+32x
0=4x(x-4)(x-2)
x=0,2,4
local min: 0,4
local max: 2
y"=12x2-48x+32
I don't know what to do to solve for the inflection points.
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