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April 18, 2015

April 18, 2015

Posted by **Nat** on Thursday, July 3, 2014 at 7:44pm.

t= 100 110 120 130 140 150

w(t)= 2.6 7.3 12.7 19 26.1 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

- Calculus Help -
**Nat**, Thursday, July 3, 2014 at 7:45pmt and w(t) are a table with corresponding values.

(100,2.6), (110,7.3), (120,12.7), (130,19), (140,26.1), (150,34.1)

- Calculus Help -
**Anonymous**, Thursday, July 3, 2014 at 7:59pmSketch the graph first.

You will notice it's increasing and concave up. This should help with answering.

(if not, the solution is always positive for both)

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