12819=
Yx ..................................
I got a hold on hood for the
The correct answer is 5/21
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
The length of the rectangle is 7 and the width is 4 and equation is this 3x4=12
12-5=7 and 7x4=28