I'll presume the slash is the fraction bar and the questioner is asking about

That always equals 4 except when 
So the restriction is
Answer: a ≠ -3
B X Intercpt and the y intercep
Answer: it’s 2.1
Step-by-step explanation:
Amplitude + y value 3+-0.9=2.1
Your welcome :)
Answer:
5000-1250x
Step-by-step explanation:
All you need to do is find the amount of money you get paid a month and use variable x to represent the months and then subtract that from the money you need to pay off.
4(2k - 3) + 1 = 8k - 11
8k - 12 + 1 = 8k - 11
8k - 11 = 8k - 11
So, these two equations equal to the same thing.
Glad I could help and gave a fantastic day!