Which represents a quadratic function? A; f(x) = −8x^3 − 16x^2 − 4x B; f(x) = 3/4 x^2 + 2x − 5 C; f(x) = 4/x^2 - 2x +1 D; f(x) = 0x^2 − 9x + 7 WILL MARK BRAINLIEST WHOEVER ANSWERS PLZ! I'm being timed!
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Answer:
option B
Step-by-step explanation:
as per def General form is ax^2+bx+c; a belongs to real
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