I REEEAALLLYYY NEED HELP ASAP!!!!!
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Answer:
Step-by-step explanation:
Let x = Number of employees taking technology training
y= Number of employees taking customer service training
Given, The technology training costs $1,000 per person. The customer service training costs $500 per person.
Total cost = 1000 x + 500y
Since, Total cost = $25,000 and total employee to attend training= 45 .
That means , the required equations are:
Call the surface 
; then the area of is given by the surface integral
Parameterize the surface by
with
and 
. The surface element is given by
So the area is
where
Parameterize the surface by
with
So the area is
where