Mathematics, 26.08.2019 10:30 linz6227

Which function has real zeros at x = 3 and x = 7?
a- f(x) = x^2 + 4x – 21
b- f(x) = x^2 – 4x – 21
c- f(x) = x^2 – 10x + 21
d- f(x) = x^2 – 10x – 21

Answers: 1

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Which function has real zeros at x = 3 and x = 7?
a- f(x) = x^2 + 4x – 21
b- f(x) = x^2...