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Urgent Calculus Help

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Based on the following table of values for the function w(t), answer the questions below.

t and w(t) are a table with the following values:
(100,2.6), (110,7.3), (120,12.7), (130,19), (140,26.1), (150,34.1)

a) Which of the following best describes the derivative of w(t)?
A. changes sign
B. always positive
C. always negative

b) Which of the following best describes the second derivative of w(t)?
A. always negative
B. changes sign
C. always positive

  • Urgent Calculus Help - ,

    Sketch a graph of this function. Then the answers will be obvious.

  • Urgent Calculus Help - ,

    Damon,
    is it always positive and changes sign?

  • Urgent Calculus Help - ,

    slope is always positive
    the slope keeps increasing so second derivative is positive

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