The required value of (g°h)(-3) is 5.
Step-by-step explanation:
Given,
g(x)= x-2 and h(x) = 4 - x
To find (g°h)(-3)
Now,
(g°h)(x) = g(h(x))
= g(4-x)
= (4-x)-2 = 2-x
So,
(g°h)(-3) = 2-(-3) = 5 [ putting x=-3]
Answer:

Step-by-step explanation:
Given
-- two rectangles
Required
Determine the perimeter of one of the rectangles
First, calculate the area (A) of 1 rectangle



Express as difference of two squares

Area is calculated as:

So, by comparison:


The perimeter is:


Collect Like Terms



Answer:
1st option is correct .........
2021 is the answer ........