Answer:
FOr the first one you can do:
y= -x +4
y= -x+2
y = -x
y= -x-2
y = x-4
Step-by-step explanation:
I'll do the second one in a different answer use these for now.
Answer:
d–intercept is simply the value of t when d equals zero. Which this case is when he reaches it his destination.
This comes from subtracting 4 from both sides.