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Which represents a quadratic function? f(x) = -8x3 - 16x2 - 4x f(x) = 3/4 x2 + 2x - 5 f(x) = 4/x2 - 2/x + 1 f(x) = 0x2 - 9x + 7
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3 votes
Which represents a quadratic function?

f(x) = -8x3 - 16x2 - 4x
f(x) = 3/4 x2 + 2x - 5
f(x) = 4/x2 - 2/x + 1
f(x) = 0x2 - 9x + 7

User Zimmryan
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C but i could be wrong.
User Delfina
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