Answer
$x^2 + 1 > 0$
Work Step by Step
Let's consider the inequality: $$x^{2} + 1 > 0.$$ The solution set of this equation is all real numbers as the square of a number is always positive, thus the given inequality is true.
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 1 - Expressions, Equations, and Inequalities - 1-5 Solving Inequalities - Lesson Check - Page 37: 8
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