Your answer would be F(0)=f(-1)
Answer:
y = 13.50x + 20
y = 17x + 6
The cost is the same after 4 hours.
Step-by-step explanation:
I don't really know what to say except you just have to replace x with 4 and then work it normally from there.
-3x+4=-17
subtract -4 from both sides
divide -3 from both sides
the answer is 7
82 is the answer now sub to pooi thegreat on yt