10
Answer: DSet 3: Polynomial Functions (Advanced)
Explanation
PROBLEM
Subtract: (6x + 5) - (4x + 4). What is the coefficient of x in the result?
Subtract: (6x + 5) - (4x + 4). What is the coefficient of x in the result?
A.
1
B.
4
C.
3
D.✓ Correct
2
Detailed Explanation
Choice D is the best answer. (6x + 5) - (4x + 4) = 2x + 1. Coefficient of x is 2.
Why others are wrong:
A: 1 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
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