Answer:
The value of f(3) is -2.
Step-by-step explanation:
This is a recursive function. So
Now, we find f(2) in function of f(1). So
Now, with f(2), we can find the value of f(3).
y = -2x - 1
y + 3 = -2 ( x - 1 )
y + 3 = -2x + 2