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The following sample questions do not appear on an actual CLEP examination. They are intended to give potential test-takers an indication of the format and difficulty level of the examination and provide content for practice and review. For more sample questions and information about the test, see the CLEP Official Study Guide.

Question 4 of 5

Oil is poured on a flat surface, and it spreads out forming a circle.

The area of this circle is increasing at a constant rate of 5 cm2/s.

At what rate, in cm/s, is the radius of the circle increasing when the radius is 5 cm?

  • A.

    1 over 2 time pi

  • B.

    1 over pi

  • C.


  • D.


  • E.

    2 pi

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