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Find the domain and range, and compare it with the function y=1/x

Find the domain and range, and compare it with the function y=1/x-example-1

1 Answer

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f(x) = 1/x and g(x) = -10/x

Domain: same: all real numbers other than x=0.
Range: strictly speaking, these 2 functions have the same range: all real numbers other than y=0. But the graph of g(x) = -10/x looks stretched vertically when compared with that of f(x) = 1/x.
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