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Mathematics, 28.05.2020 01:06 Bianca1203

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Which function has real zeros at x = 3 and x = 7?
f(x) = x2 + 4x – 21
f(x) = x2 - 4x – 21
f(x) = x2 – 10x + 21
f(x) = x2 – 10x – 21

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Which function has real zeros at x = 3 and x = 7?
f(x) = x2 + 4x – 21
f(x) = x2...
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