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how do you find the domain and range of f(x) when f(x) is 3x-5? and when it's x^2-5?
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Domain of 3x-5: x can be anything, so it would be all real numbers
Range of 3x-5: Anything; all real numbers
Domain of x^2-5: Same thing. x can be anything; all real numbers.
Range: All real numbers.
Domain of x^2-5: Real numbers. Range: positive infinitiy
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