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OpenStudy (anonymous):
Describe the behavior of functions at its x-intercepts: f(x) = (x-7)^2 (x+1)
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OpenStudy (amoodarya):
x-intercepts @ -1 just x-intercepts but @ x=7 tangent to x-axis (if you know derivation f'(7)=0)
OpenStudy (anonymous):
thank you so much amoodarya :-)
OpenStudy (amoodarya):
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