Answer:
a) 
b) 
Step-by-step explanation:
From the question we are told that:
Rate r=90 units per hour
Setup cost =20
Operating Cost =26
Units=40000
Generally the equation for Total cost is mathematically given by


Differentiating

Equating equ 1 to zero


Therefore
Substituting n
For Equ 1

F(n)>0
For Equ 2

F(n)'<0
Answer:
8
Step-by-step explanation:
2x8=16
The ray that is opposite FH in the image given is: FE.
<h3>What is a Ray?</h3>
A ray is a straight line that starts from one end and extends infinitely towards the opposite end.
We are asked to find the ray that is opposite to FH. This means the ray opposite to FH will definitely start from point B and extends to the opposite direction.
Ray FE is opposite FH.
Learn more about ray on:
brainly.com/question/1850410
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