Posted by **akash** on Saturday, May 4, 2013 at 2:39pm.

The concentration C (in milligrams per milliliter) of a drug in a patient's bloodstream t hours after injection into muscle tissue is modeled by

C =

3t/26 + t^3

Use differentials to approximate the change in the concentration when t changes from

t = 1

to

t = 1.5.

(Round your answer to four decimal places.)

- math calculus -
**bobpursley**, Saturday, May 4, 2013 at 2:42pm
see your other problem as an example. if necessary, I can check your work.

- math calculus -
**justin**, Saturday, May 4, 2013 at 3:05pm
hey bobpursley i tried this one on my own but i dont get the right answer i mean if u can give me the solution i will look at it thanks

- math calculus -
**akash**, Saturday, May 4, 2013 at 3:14pm
0.04938

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