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Math Help - How would you write this out?

  1. #1
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    How would you write this out?

    A company produces very unusual CD's for which the variable cost is $8 per CD and the fixed costs are $50000. They will sell the CD's for $83 each. Let x be the number of CD's produced.
    Write the total cost as a function of the number of CD's produced.
    $

    Write the total revenue as a function of the number of CD's produced.
    $

    Write the total profit as a function of the number of CD's produced.
    $

    Also how would you write this out Given f(x)=|x| , after performing the following transformations: shift to the left 36 units, shrink vertically by a factor of 1/91, and shift downward 49 units, the new function
    Use abs(x) for . I wrote it out as 1/91(x+36)^2-49 but it said its incorrect. So what would be the right way
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  2. #2
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    Quote Originally Posted by Girlaaaaaaaa View Post
    ...

    Also how would you write this out Given f(x)=|x| , after performing the following transformations: shift to the left 36 units, shrink vertically by a factor of 1/91, and shift downward 49 units, the new function
    Use abs(x) for . I wrote it out as 1/91(x+36)^2-49 but it said its incorrect. So what would be the right way
    You are not dealing with squares but with absolute values. Therefore the term reads:

    \frac1{91} \cdot |x+36| - 49 or: (1/91)*abs(x+36) - 49
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