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19.03.2020 •
Mathematics
The price of notebooks is $5, and at that price consumers demand 12 notebooks. If the price rises to $7, consumers will decrease consumption to 4 notebooks. Using the midpoint formula, what is the price elasticity of demand for notebooks?
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Ответ:
-3.03
Step-by-step explanation:
Given that,
Initial price = $5
Initial demand = 12 units
New price = $7
New demand = 4 units
Average demand:
= (Initial demand + New demand) ÷ 2
= (12 + 4) ÷ 2
= 8 units
Average price = (Initial price + New price) ÷ 2
= ($5 + $7) ÷ 2
= $6
Percentage change in quantity demand:
= Change in demand ÷ Average demand
= (4 - 12) ÷ 8
= - 8 ÷ 8
= -1%
Percentage change in price:
= Change in price ÷ Average price
= ($7 - $5) ÷ $6
= $2 ÷ $6
= 0.33%
Therefore, the price elasticity of demand is as follows:
= Percentage change in quantity demand ÷ Percentage change in price
= -1 ÷ 0.33
= -3.03
Ответ:
f(x) has no x-term.
Option 2.
Explanation:
Linear function are those whose graph is a straight line. A straight capacity has the accompanying structure. y = f(x) = a + bx. A direct capacity has one autonomous variable and one ward variable. The autonomous variable is x and the reliant variable is y.
A linear function is an arithmetical condition wherein each term is either a consistent or the result of a steady and (the principal intensity of) a solitary variable. A capacity is a connection with the property that each info is identified with precisely one yield. A connection is a lot of requested sets.