1
Answer: CSet 2: Polynomial Functions (Advanced)
Explanation
PROBLEM
Subtract: (9x + 9) - (4x + 3). What is the coefficient of x in the result?
Subtract: (9x + 9) - (4x + 3). What is the coefficient of x in the result?
A.
10
B.
3
C.✓ Correct
5
D.
7
Detailed Explanation
Choice C is the best answer. (9x + 9) - (4x + 3) = 5x + 6. Coefficient of x is 5.
Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
B: 3 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.