I think the slope of L'M' is still 1.75 and it still passes through point C.
6b=-6
b=-1
my answer need to be long, that is why I write this sentence
The range of the function is {-7, -1, 0, 9}.
These are all of the y values in the ordered pairs, which is the definition of what range is.
N in 5n + 5 = 45 is 8 because you'd subtract 5 from 45 and get 40, then divide 40 by 5 and get 8.