Write a function rule for the given graph identify the value of y when x=12
write out the steps
![Write a function rule for the given graph identify the value of y when x12 write out the steps class=](https://us-static.z-dn.net/files/d0c/cf20938b53e53c4953c8b6baf502f981.png)
Answer:
y=8
Step-by-step explanation:
We need to find the equation for the line.
The first step is to find the slope
We need 2 points (0,2) (2,3)
slope = (y2-y1)/(x2-x1)
= (3-2)/(2-0)
= 1/2
We know the y intercept ( where it crosses the y axis) at 2
Lets use the slope intercept form of the line
y= mx+b
y = 1/2 x+2
If we want to find the value of y when x =12 , substitute the value of x=12
y =1/2 * 12 +2
y = 6+2
y=8