Used books cost $2.25 each. Which expression represents the total number of books that can be purchased for $10?
2 answers:
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A polynomial function is a function involving only non-negative (positive and 0) integer powers of 'x', i.e. all terms with ' 'x' have a non-negative integer power, such as a quadratic and so on.
Option E is the answer.
Rest all are wrong answers. they do not have positive integers.