Applying the Concepts

  1. 87.

    1. C(x)=0.5x+ 2000

    2. C¯(x)=0.5+ 2000x

    3. C¯(100) =20.5, C¯(500)=4.5, C¯(1000)=2.5. These show the average cost of producing 100, 500, and 1000 trinkets, respectively.

    4. Horizontal asymptote: y=0.5. It means the average cost (the fixed daily cost of producing each trinket) if the number of trinkets produced approaches .

  2. 89.

      1. About 9 min

      2. About 12 min

      3. About 76 min

      4. 397 min

      1. ;

      2. Not applicable; the domain is x<100.

    1. No

  3. 91.

    1. $3.02 billion

    2. 90.89%

  4. 93.

    1. 16,000

    2. The population will stabilize at 4000.

  5. 95.

    1. f(x)=(10x+200, 000 ...

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