+0  
 
+5
3907
1
avatar

k(t)=10t−19                                                   

k(−7)=

 Jan 27, 2016
edited by Guest  Jan 27, 2016
edited by Guest  Jan 27, 2016
edited by Guest  Jan 27, 2016
 #1
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0

-70-19 = -89

 Jan 27, 2016

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