Solve the problem. In the given image
1 answer:
The marginal demand to estimate the change in demand when the price is increased by one dollar is -157.
Given, where p represents the price of the item in dollars.
Currently, the price of the item is $20.
<h3>What is marginal demand?</h3>In economics, marginal demand refers to the shift in demand for a product or service in reaction to a price adjustment. Normally, as the price of a good or service rises, demand decreases, and vice versa, as the price of a good or service decreases, demand increases.
We have to use the marginal demand to estimate the change in demand when the price is increased by one dollar.
The rate of change of demand with respect to price is obtained by differentiating D with respect to p in .
That is, dD/dp = -8p+3
Given, p = $20
dD/dp = -8×20+3=-157
Therefore, the marginal demand to estimate the change in demand when the price is increased by one dollar is -157.
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Answer:
x = -2.5
x = 2
Step-by-step explanation:
Hello!
We can remove the denominators by multiplying everything by it.
Solve:
Let's make one side equal to 0.
Solve by factoring, and then the zero product property.
Multiply 2 and -10. You get -20. Think of two number that multiply to -20, and add to 1. If we think about the standard form of a quadratic, , think two numbers that equal "ac" and add up to "b".
Using the zero product property, set each factor to 0 and solve for x.
- 2x + 5 = 0
2x = -5
x = -5/2 = -2.5 - x - 2 = 0
x = 2
The two answers are x = -2.5, and x = 2.