2

Set 3: Polynomial Functions (Advanced)

Explanation

Answer: C

PROBLEM

If f(x) = 3x squared + 1x + 4, find f(3).

If f(x) = 3x squared + 1x + 4, find f(3).

A.

68

B.

36

C.

34

✓ Correct
D.

35

Detailed Explanation

Choice C is the best answer. f(3) = 3(3) squared + 1(3) + 4 = 34

Why others are wrong:
A: 68 is incorrect because it does not satisfy the equation.
B: 36 is incorrect because it does not satisfy the equation.
D: 35 is incorrect because it does not satisfy the equation.