Factor the polynomial completely: 3x2 - 4x + 21 A) (3x + 7)(x + 3) B) (x - 7)(3x - 3) C) (x - 3)(3x - 7) D) cannot be factored

a box 3 3/4 feet long or 4+ feet.

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.

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14

step-by-step explanation: