Answer:

Step-by-step explanation:

For f(3), the input for the function f(x) is 3.
Let x (input) = 3.

A. 2
b. 0
c. -2
d. 0
f(x) just means that the number in the parentheses is the x-value and if it asks for f(x) it wants the y-value at that x point
Answer: Output = 8 − Input
Step-by-step explanation:
do 8 - each input value and you will get the output value
Don’t open that link it’s takes all your information