Answer:
2+2=4
Step-by-step explanation:
2 plus 2 is 4
an example for you to understand
if you have 2 cookies and i give you 2 more then you now have 4 cookies to enjoy!
The composite function as shown is 
<h3>Composite functions</h3>
Given the following fnctions

The composite function g(f(x)) is expressed as:

Hence the composite function as shown is 
Learn more on composite function here: brainly.com/question/10687170
L = 2W + 1..................(1)
2L + 2W = 74
2L = -2W + 74..............(2) Adding (1) and (2):-
3L = 75
L = 75/3 = 25
W = (25 - 1) / 2 = 12
length is 25 inches and width = 12 inches