Solve the given quadratic inequalities. Check each by displaying the solution on a calculator. |x 2 +
Question:
Solve the given quadratic inequalities. Check each by displaying the solution on a calculator.
|x2 + x − 4| < 2
[Use Eq. (17.2), and then treat the resulting inequality as two inequalities of the form f (x) > −n and f (x) < n. The solution includes the values of x that satisfy both of the inequalities.]
Data from Eq. (17.2)
If |f(x)| < n, then −n < f (x) < n.
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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