Algebra 2 Common Core

Published by Prentice Hall

Chapter 5 - Exponents, Polynomials and Functions - 5-1 Polynomial Functions - Practice and Problem-Solving Exercises - Page 285: 28

Answer

The leading term has: degree: even leading coefficient: negative Therefore the end behavior of the graph is: $\underline{\text{down and down}}$

Work Step by Step

RECALL: The end behavior of the graph of a polynomial function is dependent on its leading term $ax^n$ and its degree $n$. (i) If the leading term's degree is even: (a) the end behavior is up and up if the leading coefficient is positive and (b) the end behavior is down and down if the leading coefficient is negative. (ii) If the leading term's degree is odd: (a) the end behavior is down and up if the leading coefficient is positive and (b) the end behavior is up and down if the leading coefficient is negative. The leading term of the given function is $-14x^6$. The degree is even and the coefficient is negative. Therefore the end behavior of the graph of the given function is down and down.

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