Given:
Dimensions of a rectangular prism are 6 meters by 3 meters by 12 meters.
To find:
The surface area of the prism.
Solution:
The surface area of a rectangular prism is:

Where, l is length, b is breadth and h is height.
Putting
, we get




Therefore, the surface area of the prism is 252 square meters.
Cant really show you how to do it but the graph would start at the y axis at (0,-2) then from there each point would move to the left 4 and up 7 or back 4 and down 7. It would form a straight line.
No as the x value 3 is repeated.