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9

Set 4: Polynomial Functions (Intermediate)

Explanation

Answer: B

PROBLEM

Subtract: (7x + 8) - (4x + 1). What is the coefficient of x in the result?

Subtract: (7x + 8) - (4x + 1). What is the coefficient of x in the result?

A.

6

B.

3

✓ Correct
C.

1

D.

2

Detailed Explanation

Choice B is the best answer. (7x + 8) - (4x + 1) = 3x + 7. Coefficient of x is 3.

Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
C: 1 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.
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