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What is the range of absolute value functions My teacher said it would be all real numbers. However I thought it would be positive real numbers. Can you explain who is right and why?
Wiki User
∙ 8y ago
The absolute value of a number is positive, so the range is always a positive real number. You are correct. The domain, that is the value before you take the absolute value, is all real numbers, but the range is always positive.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoSomebody may have confused "domain" and "range". The DOMAIN is all real numbers, since the function is defined for all real numbers; the RANGE is the non-negative numbers (positive numbers, and zero), since that's the only result you can get if you apply this function.
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