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Which second degree polynomial function f(x) has a lead coefficient of 3 and roots 4 and 1? f(x) = 3x^2 + 5x + 4 f(x) = 3x^2 + 15x + 12 f(x) = 3x^2 – 5x + 4 f(x) = 3x^2 – 15x + 12
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Plug 4 and 1 into x and see which equations out of the 4 equals zero on both x=1,4.
Thank you so much! its D
No problem!
Yes you are right. It is D
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