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Home > AC > Chapter 9 > Lesson 9.2.1 > Problem 9-32

9-32.

Thui made the following hypotheses: and . Which of the following conclusions can she make?

Find the boundary points of the two equations.



Test numbers on all sides of the boundary points.

Test


True False

Test


True True

Test


False True

Because is the only test that makes both equations true, (b), or is the correct answer.