Need help with algebra work

Answer:
Step-by-step explanation:
2. Each time x goes up on the left side 6 is removed from the right side f(x)= F(-6)
3. slope is y = -1/2 x + 4 the formula is y = mx+b so -1/2 x and b is the number that touches the line for y which is 4.
4. every time an x is added on the left side 3 are added on the right side f(3)