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22 August, 11:41

Give the domain of the function f (x) = - 3x+21

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Answers (2)
  1. 22 August, 12:51
    0
    I think more specifically to what the other person said, it is all real numbers (which is what R stands for) and that is because any real number would give out an answer. Nothing says you can't pick any specific numbers
  2. 22 August, 13:32
    0
    The answer is D = R because is positive
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