Which value for x makes the open sentence true? 10 • 8 – 3x + x2 ≥ x3 + x2 A. 6 B. 4 C. 5 D. 7

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asked Jun 25, 2017 34.1k views

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AngelWarrior · Answer 1 · 2017-07-01T08:19:30+0000

Answer is B. 4

10 * 8 - 3(4) + 4² > 4³ + 4²
80 - 12 + 16 > 64 + 16
84 > 80

All other choices are should have the inequality of < to make the sentence true.

Which value for x makes the open sentence true? 10 • 8 – 3x + x2 ≥ x3 + x2 A. 6 B. 4 C. 5 D. 7

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