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Which of the following is not an example of a quadratic function?

1. f (x) = (3x-2) (4x + 7) 2. f (x) = (2x-1) 2

3. f (x) = - 7x²+8X

4. f (x) = 8x4-3x+5x2

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  1. 1 May, 16:09
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    4. f (x) = 8x^4 - 3x + 5x^2

    Step-by-step explanation:

    In choices 1., 2., and 3., each function is a 2nd degree function since the term with the highest degree has an exponent of 2 on x. In choice 4., the function is a 4th degree function since there is a term with x^4, and that is the highest exponent on x.

    Answer: 4. f (x) = 8x^4 - 3x + 5x^2
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