Answer:
pairs
Step-by-step explanation:
Given
Profit on selling 'x' pairs of shoes is 
Find the derivative of the function to find out the critical points

Thus, for 4 pair of shoes profit is maximize.
Answer:
x=-6 , -7 . -8
Step-by-step explanation:
6*2=12
32-12=20
20/2=10.
Perimeter is all the way around an object. So take 6 two times and minus that from 32. Answer of that divide by 2 to get the length. Length of one side is 10 ft.
Answer:
A) Particular solution:

B) Homogeneous solution:

C) The most general solution is

Step-by-step explanation:
Given non homogeneous ODE is

To find homogeneous solution:

To find particular solution:

Substituting
in (1)

Equating the coefficients

The general solution is

from (2) ad (3)

Attached the solution with work shown.