Answer:
Step-by-step explanation:
Here, we want to find the given values
a) f(2)
This means we have to find the y-value, given that the x-value is 2
From what we have in the set, we can see that f(2) = 2
b) f(4)
We have to find the y-value, given that the x-value is 4
We have this as: