Algebra practice question

Answer: A. 14

For 1 < x < 4, 3x + 2 lies strictly between 5 and 14, so 14 itself is not attained.

Why the other answers are wrong

B. 6

6 comes from x = 4/3, which is allowed.

C. 8

8 comes from x = 2.

D. 12

12 comes from x = 10/3.

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