Respuesta :
Answer:
p = 26 ; q = 60
Step-by-step explanation:
Given the demand and supply functions :
Supply function:
4p - q = 44
Demand function :
(p + 2)q = 1680 - - - - (1)
p = price ; q = quantity
Expressing supply function interms of q
4p - 44 = q - - - - - (2)
Plug 4p - 44 = q into (1)
(p + 2) (4p - 44) = 1680
4p²- 44p + 8p - 88 = 1680
4p² - 36p - 1768 = 0
p² - 9p - 442p = 0
p(p - 26) + 17(p-26) = 0
(p + 17) = 0 ; (p - 26) =0
p = - 17 or p = 26
Price of commodity can't be negative, Hence, p = 26
From q = 4p - 44
Put p = 26
q = 4(26) - 44
q = 104 - 44
q = 60
p = 26 ; q = 60
The price and quantity that will result in market equilibrium are 26 and 60 respectively
Demand and supply function
Given the demand and supply functions :
- Supply function: 4p - q = 44
- Demand function: (p + 2)q = 1680
where:
- p is the price
- q is the quantity
Expressing supply function in terms of q
4p - 44 = q - - - - - (2)
4p - 44 = q
Substitute into equation 1 we will ha
(p + 2) (4p - 44) = 1680
4p²- 44p + 8p - 88 = 1680
4p² - 36p - 1768 = 0
p² - 9p - 442p = 0
Factorize the result to have:
p(p - 26) + 17(p-26) = 0
(p + 17) = 0 ; (p - 26) =0
p = - 17 or p = 26
Since the price of a commodity can't be negative, Hence, p = 26
Recall that q = 4p - 44
q = 4(26) - 44
q = 104 - 44
q = 60
Hence the price and quantity that will result in market equilibrium are 26 and 60 respectively
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