Find the 18th term of the arithmetic sequence whose common difference is d=5 and whose first term is a, = 4.
2 answers:
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Answer:
AC = (20+ 10q)
Step-by-step explanation:
Given that,
Total cost, TC = 20q + 10q²
We need to find AC i.e. average cost.
It can be solved as follows :
So, the value of AC is (20+ 10q).
