Question

When the input is 3, what is the output?

Input
| f(x) = x 2 - 5
Output
f(x)

The answer I got is f(3)= 4, but I’m not sure if I’m correct

Answer 1

output = 4

Explanation:

the input is 3 , the output is the value of f(3) , that is

f(x) = x² - 5 . then

f(3) = 3² - 5 = 9 - 5 = 4 ← output