Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 5 Polynomials and Polynomial Functions - 5.2 Evaluate and Graph Polynomial Functions - Guided Practice for Examples 1 and 2 - Page 338: 4



Work Step by Step

Direct substitution means that wherever we see the value $x$, we plug in the given value. Doing this, we find: $$ (-2)^4+(2)(-2)^3 +3(-2)^2 -7 \\ 128-128+12-7\\5$$
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