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Mathematics, 03.05.2020 14:17 evelinn19

Which of the following functions is quadratic?
O A. f(x) = 7x(x+3)
OB fx) = 5/x-1
O c. f(x) = 2^2
O D. f(x)=3(4 – x)

Which of the following functions is quadratic? O A. f(x) = 7x(x+3) OB fx) = 5/x-1 O c. f(x) = 2^2 O

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Which of the following functions is quadratic?
O A. f(x) = 7x(x+3)
OB fx) = 5/x-1
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