Question
Solve the following inequality using a graphing utility:
Enter and . Use the absolute-value command (MATH → Num → 1:abs on the textbook's calculator) and locate the intersections (2nd → CALC → 5:intersection; select the first curve, second curve, and a guess). Provide a sketch of both graphs, shade the solution on the x-axis, and give the final solution in interval notation.
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Evidence boundary
This is the complete graphing-utility task in OpenStax College Algebra section 2.7, exercise 56. The supplied sketch is generated from the exact piecewise equations and verified intersections, with the required x-axis shading. It is a mathematical solution, not a fabricated record of a particular calculator session.