What’s -2f-3=7 I cant figure it out

Choose the point slope form of the equation below that represents the like that passes through the points (-6,4) and (2, 0)

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4