2
Answer: CSet 3: Polynomial Functions (Intermediate)
Explanation
PROBLEM
Add: (4x + 2) + (2x + 1). What is the coefficient of x in the result?
Add: (4x + 2) + (2x + 1). What is the coefficient of x in the result?
A.
8
B.
12
C.✓ Correct
6
D.
4
Detailed Explanation
Choice C is the best answer. (4x + 2) + (2x + 1) = 6x + 3. Coefficient of x is 6.
Why others are wrong:
A: 8 is incorrect because it does not satisfy the equation.
B: 12 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.