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Math 120: Algebra and Trigonometry

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3. Express the quadratic function ffx) = X2 + 2x — 8 in standard form, and sketch its graph showing clearly the x- and y-intercepts, and its vertex. Determine its maximum or minimum {must choose one) value. Show your work! 4. Find a fourth—degree polynomial with integer coefficients that has zeros 3i and 1, with 1 a zero of multiplicity 2. Show your work!

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