Mathematics

Mathematics, 22.05.2020 02:05, ajajjsisi9x8

Which of the functions below have exactly
two distinct real zeros?
1. f(x) = -x2 + 14x – 45
II. f(x) = 4x2 + 4
III. f(x) = 2x2 + 12x + 18
IV. f(x) = 3x2 - 4x - 4

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Which of the functions below have exactly
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1. f(x) = -x2 + 14x –...

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