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February 28, 2015

February 28, 2015

Posted by **Anonymous** on Thursday, July 3, 2014 at 7:46pm.

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 -
**Damon**, Thursday, July 3, 2014 at 7:52pmSketch a graph of this function. Then the answers will be obvious.

- Urgent Calculus Help -
**Anonymous**, Thursday, July 3, 2014 at 7:54pmDamon,

is it always positive and changes sign?

- Urgent Calculus Help -
**Damon**, Thursday, July 3, 2014 at 8:00pmslope is always positive

the slope keeps increasing so second derivative is positive

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