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OpenStudy (anonymous):
Please help me with these answers, I don't understand any of it and I cant find them...Will give medals 1.the axis of symmetry for the function is y=x^2+4x-2 is? 2. A local min of y=x^3+2x^2-1is?
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Directrix (directrix):
Tip for #1 attached - formula for axis of symmetry equation for parabola @Sydniariana1 Also, go here and read about the axis of symmetry of a parabola http://www.mathwarehouse.com/geometry/parabola/axis-of-symmetry.php
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