12. x= 4
13. x= 4
14. x= -1
Check the steps in the picture above
Answer:5 minutes
Step-by-step explanation:
Answer:
Y=4x+9
Step-by-step explanation:
Use rise over run to find 2 points for the slope. B is as simple as looking where the line passes y.
I honestly don't know if this is correct but it might be i think its the middle one y=f(x)=x to the second power