Question

Evaluate f(3) for each of the following:

a. {(1,2), (2,0), (3,1), (4,2)}
b. {(1,2), (2,3), (3,4), (4,5)}
c. {(1,3), (2,5), (3,2), (4,0)}

Answer 1

The variable B is functional.

f(x) = x + 1
f(3) = 3 + 1
f(3) = 4