Let F (X) = 2x - 21 and Find

Multiple Choice

Let f (x) = 2x - 21 and find the values of x that corresponds to f (x) = 0.

A) {3/4, -7/2, 11/4}
B) {-3/4, 7/2, 11/4}
C) {-3/4, 7/2}
D) {21/2, 11/4}