chancetaylor31 chancetaylor31

02-08-2016
Mathematics

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The range of the function f(x)=x+5 is {7,9}. What's is the function's domain?

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nobillionaireNobley nobillionaireNobley

03-08-2016

f(x) = x + 5
x = f(x) - 5
The function's domain is {7 - 5, 9 - 5} = {2, 4}

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