College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.4 - Polynomials - R.4 Assess Your Understanding - Page 48: 23

Answer

Not a polynomial.

Work Step by Step

$3x^2-\frac{5}{x}$ Not a polynomial because there is a ratio where x is in the denominator, meaning that it can be rewritten as: $\frac{x^{-1}}{5}$ Therefore, it is not a polynomial as it has a negative power.
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