Question #N771

The function f(x) is defined as f(x) = 2x^2 + 5. What is the value of f(3)?
A. 11
B. 21
C. 26
D. 41

Correct Answer is: D

To find f(3), we substitute x = 3 into the function. This gives us f(3) = 2(3)^2 + 5 = 2(9) + 5 = 18 + 5 = 23.