EXERCISE 3 In order to store his latest models, a Toyota dealer wants to build a new showroom. This showroom will be rectangular and its area should be 500 m2. Three of its walls are to be made of reinforced concrete, costing 600 euros per meter. The fourth wall will be made of thick glass which costs 1200 euros per meter. Let l denote the length of the glass wall and let w be the width of the rectangle. (a) Express the total costs of building this showroom in terms of l and w. (b) Express w in terms of l. (c) Write the total costs of building this showroom in terms of l.

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Q: Can you explain how you found part b? It does not make sense to me

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Q: Can you clarify the answer for the second step (a) ? It says that it's wrong.

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A: GIVEN: 6 - x - x2  if x ≤ 32x - 5         if x > 3

Q: Is it possible to write it in a piece of paper for a clearer solution? thank you!

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Q: how did you compute the answers?

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Q: how about part D, how to solve that?

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Q: How do I solve this ?

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Q: Can you answer part Iv here ?

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Q: Can you teach people a simpler way to do this?

A: Here, I have taken marked price as $100.

Q: Can you write it properly? It is not understandable.

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Q: Could you explain (b) as well?

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Q: Please answer the 2nd question. Thank you! UPVOTE WILL BE GIVEN!

A: Taking the results from your answer

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A: Given that: The table ,

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Q: how did you get 2x in part c?

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.