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23 May, 20:33

Which is a quadratic function?

f (x) = 2x + x + 3

O f (x) = 0x² - 4x + 7

f (x) = 5x2 - 4x + 5

f (x) = 3x + 2x + 2

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  1. 23 May, 21:45
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    f (x) = 5x² - 4x + 5

    because in 0x² - 4x + 7, 0x² will be equal to 0. Thus, the highest power remaining will be equal to 1
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