Mathematics
Mathematics, 13.07.2020 20:01, amylumey2005

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

answer
Answers: 3

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

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