1
Answer: DSet 3: Linear Functions (Intermediate)
Explanation
PROBLEM
If f(x) = -2x + 8, find f(3).
If f(x) = -2x + 8, find f(3).
A.
22
B.
14
C.
-2
D.✓ Correct
2
Detailed Explanation
Choice D is the best answer. f(3) = -2(3) + 8 = 2
Why others are wrong:
A: 22 is incorrect because it does not satisfy the equation.
B: 14 is incorrect because it does not satisfy the equation.
C: -2 is incorrect because it does not satisfy the equation.