Answer:
vertex: (-1,25)
aos; -1
left x int: -6
right x int: 4
(not sure)
range is less than of equal to 25
Answer:
a) 
b) 
c) 
Step-by-step explanation:
For total cost function
, average cost is given by
i.e., total cost divided by number of units produced.
Marginal average cost function refers to derivative of the average cost function i.e., 
Given:
Average cost = 
a)
At x = 50 units,

b)
Average cost = 
c)
Marginal average cost:
Differentiate average cost with respect to 
Take 
using quotient rule, 
Therefore,

Answer:
B.
Step-by-step explanation:
In the attached file
10+8h=66
minus 10 both sides
8h=56
divide both sides by 8
h=7
worked 7 hours
Answer: -95/42 for exact
-2 11/42 for mixed
Step-by-step explanation: