3
Answer: BSet 5: Polynomial Functions (Intermediate)
Explanation
PROBLEM
Add: (3x + 4) + (4x + 3). What is the coefficient of x in the result?
Add: (3x + 4) + (4x + 3). What is the coefficient of x in the result?
A.
8
B.✓ Correct
7
C.
5
D.
14
Detailed Explanation
Choice B is the best answer. (3x + 4) + (4x + 3) = 7x + 7. Coefficient of x is 7.
Why others are wrong:
A: 8 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 14 is incorrect because it does not satisfy the equation.