Question #N349
The function *f* is defined by *f*(x) = (x + 2)(x - 4). What is the value of *f*(3)?
A. -7
B. -1
C. 1
D. 7
Correct Answer is: D
To find *f*(3), we substitute 3 for *x* in the function: *f*(3) = (3 + 2)(3 - 4) = 5(-1) = -5. Therefore, *f*(3) = -5.