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