Mid-Chapter Quiz
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Check if the function has absolute minimum or maximum.
Domain: All real numbers
Range: All real numbers
Unless specific restrictions have been stated, the domain of polynomial functions is always all real numbers. Since y depends on x, the domain determines the range. For any input value, f will show positive and negative outputs.
Since the end-behavior of the graph is down-up, and it has neither an absolute minimum nor maximum, the range of f is all real numbers.
Domain:& all real numbers
Range:& all real numbers