Astate park charges $5 per car plus $1 per person as an admission fee. the total charged for a car with x people is f(x)=x+5. how will the graph of this function change if the per car charge is changed to $8 per car?
a. the line will shift vertically down by $3
b. the line will shift vertically up by $3.
c. the line will shirt vertically up by $8.
d. the line will shift vertically down by $8.

Afirm plans to begin production of a new small appliance. the manager must decide whether to purchase the motors for the appliance from a vendor at $10 each or to produce them in-house. either of two processes could be used for in-house production; process a would have an annual fixed cost of $200,000 and a variable cost of $7 per unit, and process b would have an annual fixed cost of $175,000 and a variable cost of $8 per unit. determine the range of annual volume for which each of the alternatives would be best. (round your first answer to the nearest whole number. include the indifference value itself in this answer.)

As more people migrated west during the gold rush, what do you think happened to the demand curve in most western markets, holding all else constant? a. there was no shift, nor any increase or decrease in quantity demanded. b. there was no shift, but there was a decrease in quantity demanded. c. the demand curve shifted to the left. d. the demand curve shifted to the right. e. there was no shift, but there was an increase in quantity demanded.

What is comparing the cost of a business plan to the monetary value of the benefit derived from the same plan known as?