Slope can be found using the formula

.


Slope = 2
So the slope of the line that passes through that point is 2.
Hope this helps :)
189=10x+99
x=amount of weeks
x=9 weeks
Answer:
You've got it correct, if I'm not mistaken it's either B, or C. I don't remember which answer it was, it was one of those 50/50.
Answer: -x^4 - 3x^3 - x^2 + 4x + 6
Explanation