Michigan State University - Diagnostic Exam

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3.5

  •   If log y = 0.5x + 3 4 , which of the following is true?

    a) y = log 4 0.5x+3 b) y = 0.5x + --3-- log4
      
    c) y = 4(0.5x) + 3 d)  x y = 64 (2 )
      
    e)  x y = 2 + 64

Solution:

The given equation is equivalent to

0.5x+3 3 ( √-)x x y = 4 = 4 4 = 64 (2 )

Diagnostic:

If you miss this question please review definition of the logarithm.

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July 15, 2008