+0  
 
0
718
3
avatar+845 

For this question i subbed in 3 which gave me 58.5 

but the answer should be 3

 Dec 9, 2018
 #1
avatar+128079 
+1

h ' (t)  =   12t^2 - 59t + 72

 

So

 

h ' (3) =   12(3)^2 - 59(3) + 72   =  108 - 177 + 72  =   180 - 177   =  3 cm / hr

 

 

cool cool cool

 Dec 9, 2018
 #2
avatar+845 
+1

oh wow, seems like i forgot to differentiate it....

thanks!

YEEEEEET  Dec 9, 2018
 #3
avatar+128079 
0

LOL!!!!.....yeah...it's hard to solve without doing that !!!!!

 

 

cool cool cool

CPhill  Dec 9, 2018

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