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3

Set 1: Polynomial Functions (Intermediate)

Explanation

Answer: C

PROBLEM

Subtract: (9x + 8) - (2x + 2). What is the coefficient of x in the result?

Subtract: (9x + 8) - (2x + 2). What is the coefficient of x in the result?

A.

8

B.

14

C.

7

✓ Correct
D.

5

Detailed Explanation

Choice C is the best answer. (9x + 8) - (2x + 2) = 7x + 6. Coefficient of x is 7.

Why others are wrong:
A: 8 is incorrect because it does not satisfy the equation.
B: 14 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.
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