10
Answer: DSet 1: Polynomial Functions (Intermediate)
Explanation
PROBLEM
Add: (3x + 5) + (5x + 1). What is the coefficient of x in the result?
Add: (3x + 5) + (5x + 1). What is the coefficient of x in the result?
A.
10
B.
7
C.
16
D.✓ Correct
8
Detailed Explanation
Choice D is the best answer. (3x + 5) + (5x + 1) = 8x + 6. Coefficient of x is 8.
Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
B: 7 is incorrect because it does not satisfy the equation.
C: 16 is incorrect because it does not satisfy the equation.
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