Principles of economic engineering

The principles are :

1.The development , study and application of any discipline must begin with the basic Foundation .

2.We define the foundation for engineering economy to be a set of principle that provides a comprehensive doctrine for developing the methodology.

3.This principle will be mastered by student as they progress through this course .

x+2 because it just doubles hon so the pattern can actually tell you the expression.

so for example,

if x=2 then 2+2 is 4

if x=4 then 4+4 is 8

and so on and so forth.

i really hope that this makes sense and you out in a way hon: )