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9

Set 2: Polynomial Functions (Intermediate)

Explanation

Answer: D

PROBLEM

Subtract: (6x + 7) - (2x + 3). What is the coefficient of x in the result?

Subtract: (6x + 7) - (2x + 3). What is the coefficient of x in the result?

A.

5

B.

3

C.

2

D.

4

✓ Correct

Detailed Explanation

Choice D is the best answer. (6x + 7) - (2x + 3) = 4x + 4. Coefficient of x is 4.

Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 3 is incorrect because it does not satisfy the equation.
C: 2 is incorrect because it does not satisfy the equation.
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