An important factor in selling a residential property is the number of people who look through the home. A sample of 20 homes re
cently sold in the Buffalo, New York, area revealed the mean number looking through each home was 22 and the standard deviation of the sample was 7 people. Develop a 98 percent confidence interval for the population mean.
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<h3>Answer: x+3</h3>
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Explanation:
Use a graphing tool like Desmos to plot y = |x+3|
See below.
The graph is a V shaped figure. The vertex is at (-3,0). The interval x > 5 is entirely to the right of this vertex. So we only focus on the right hand side of the V shape.
The line making up this right hand side is the equation y = x+3
Therefore, if x > 5 then y = |x+3| becomes y = x+3
In short, we erase the absolute value lines.