Mathematics, 21.04.2020 17:49 eliseeimbody

Which functions have real zeros at 1 and 4? Check all that apply.
f(x) = x2+x+4
f(x) = x2 – 5x +4
Of(x) = x2 + 3x -4
f(x) =-2x2 + 10x - 8
f(x) = -4,2 – 16x – 1

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Which functions have real zeros at 1 and 4? Check all that apply.
f(x) = x2+x+4
f(x) = x...