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7

Set 3: Polynomial Functions (Advanced)

Explanation

Answer: B

PROBLEM

Subtract: (5x + 6) - (3x + 4). What is the coefficient of x in the result?

Subtract: (5x + 6) - (3x + 4). What is the coefficient of x in the result?

A.

1

B.

2

✓ Correct
C.

4

D.

3

Detailed Explanation

Choice B is the best answer. (5x + 6) - (3x + 4) = 2x + 2. Coefficient of x is 2.

Why others are wrong:
A: 1 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.
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