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December 19, 2014

December 19, 2014

Posted by **alli** on Saturday, August 18, 2012 at 9:35pm.

f(x)= (x+5)^2(x-1)^2

a) find the x and y intercepts for the polynomial function f

b) determine whether the graph of f crosses or touches the x axis at each x intercept

C) put all information together to obtain the graph of f

- algebra -
**Steve**, Sunday, August 19, 2012 at 2:57pmThe x-intercepts are the roots.

The y-intercept is at 5^2*1^2 = 25

Since the roots are of even order, the graph touches the axis at each root.

So, degree-4 polynomial with positive coefficient. Down from the left, tangent at each root, then back up to the right.

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