The function is .
(a).
Graph :
Graph the function :
(b).
Graph :
Graph the function :
Observe the graph:
A downward slope but also where the slope is getting less steep with each additional lawn mower manufactures.
Find the values of when .
When , .
.
When ,
.
When ,
.
When ,
.
When ,
.
Observe the above values,
Manufacturing mowers gives an average cost of .
Manufacturing mowers gives an average cost of .
Manufacturing mowers gives an average cost of .
The minimum point is .
The number of riding lawn mowers to produce in order to minimize average cost is .
(c).
The minimum average cost is when produce mowers.
The cost is /mower.
(a).
Graph of the is
(b). riding lawn mowers per hour.
(c). /mower.
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