Answer:
Explanation:
Recognize that the correct answer depends upon the value of a, which is not given here.
1
If f(x) = ------------ and x = 0 (which I have invented), then f(0) = 1 / (0² + 1) = 1
x² + 1
If x = 1/2, then f(1/2) = 1 / (1/4 + 1) = 4/5
and so on. Ask your teacher, if possible, what value to use for a.