12) Consumer's Surplus: The demand function for a product is p= 21–x² and the supply function is p= 6x+5, where p is the number of dollars and x is the number of units. Find the equilibrium point and the consumer's surplus there. Round to the nearest cent.

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12. Please show each step and all work when solving

12) Consumer's Surplus: The demand function for a product is p=21-x² and the supply
function is p=6x+5, where p is the number of dollars and x is the number of units.
Find the equilibrium point and the consumer's surplus there. Round to the nearest cent.
13) Population: The population of a town is increasing at the rate of 400te0" people per
year, where t is the number of years from now. Find the total gain in population during
the next 3 years. Round answer to the nearest person. Show Work; otherwise, no
credit.
(Solve the integration by parts.)
D) 1182 people
1836 people
E)
A) 1764 people
B)
1782 people
C) 1218 people
Transcribed Image Text:12) Consumer's Surplus: The demand function for a product is p=21-x² and the supply function is p=6x+5, where p is the number of dollars and x is the number of units. Find the equilibrium point and the consumer's surplus there. Round to the nearest cent. 13) Population: The population of a town is increasing at the rate of 400te0" people per year, where t is the number of years from now. Find the total gain in population during the next 3 years. Round answer to the nearest person. Show Work; otherwise, no credit. (Solve the integration by parts.) D) 1182 people 1836 people E) A) 1764 people B) 1782 people C) 1218 people
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