8
Answer: DSet 1: Polynomial Functions (Intermediate)
Explanation
PROBLEM
If f(x) = 2x squared + 1x + 4, find f(3).
If f(x) = 2x squared + 1x + 4, find f(3).
A.
23
B.
50
C.
27
D.✓ Correct
25
Detailed Explanation
Choice D is the best answer. f(3) = 2(3) squared + 1(3) + 4 = 25
Why others are wrong:
A: 23 is incorrect because it does not satisfy the equation.
B: 50 is incorrect because it does not satisfy the equation.
C: 27 is incorrect because it does not satisfy the equation.