01: If a(x) = 2x - 4 and b(x) = X + 2, which of the following expressions produces a quadratic function?

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step-by-step explanation:

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step-by-step explanation:

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answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

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