8

Set 1: Polynomial Functions (Intermediate)

Explanation

Answer: D

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.

25

✓ Correct

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.