Jon and lexi are playing a marble game. according to their rules, 4 points are awarded for each red marble collected and 7 points are awarded for each blue marble collected. which expression represents jon's total score if he has r red marbles and b blue marbles?
1. 4r − 7b
2. 2r − 7b
3. 11rb
4. 4r + 7b

4r + 7b

Step-by-step explanation:

I got it correct on my test. that should be good enough for you guys but I'll upload a screenshot just in case.

the final function for the graph becomes x-2=-1. before graphing you solve the equation, where x=1. then graph accordingly.   ( on the x-axis, 1 on the line will possess a vertical line.)

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.