Which graph represents the solution set of the system of inequalities? {y<2x+2 x+y≥−3
1 answer:
y < 2x + 2
y-intercept = 2, m = 2 > 0 therefore the function is increasing (pic. 1 and 2)
x + y ≥ -3 |-x
y ≥ -x - 3
The slope intercept form: y = mx + b
m - slope, b - y-intercept
y-intercept = -3, m = -1 < 0 therefore the function is decreasing (pic. 1 and 2)
y < 2x + 2 shaded below the line (pic. 1)
y ≥ -x - 3 shaded above the line (pic. 1 and 2)
Answer: pic.1
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The ratio X/Y for the fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z is 10/pY.
<h3>What is a mathematical model?</h3>A mathematical model is the model which is used to explain the any system, the effect of the components by study and estimate the functions of systems.
Consider a fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z.
The demand for Model Z depends on the gasoline price (q) because customers tend to purchase an electronic vehicle as a substitute for vehicles that run on gasoline when the gasoline price increases.
The demand for Model Z is estimated as
Here, <em>p</em> is the price of Model Z.
Consider the following two statements:
- 1. When the average gasoline price q increases by $1, the revenue-maximizing price p" increases by $X.
- 2. When the average gasoline price q increases by $1, the demand at the revenue-maximizing price (i.e., D(p*)) increases by a factor of Y.
Put the value of demand at the revenue-maximizing price as,
Thus, the ratio X/Y for the fictitious company, Teslala, that produces a single type of electronic vehicle, Model Z is 10/pY.
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