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Sheba
26 June, 07:00
Give the domain of the function f (x) = - 3x+21
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Jonathan Bentley
26 June, 07:39
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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
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Daniels
26 June, 07:49
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The answer is D = R because is positive
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