+0  
 
+1
276
2
avatar+1442 

Suppose f is a polynomial such that f(0) = 47, f(1) = 32, f(2) = -13, and f(3)=16. What is the sum of the coefficients of f?

 

 

Thanks my dudes!

AnonymousConfusedGuy  Nov 28, 2017
 #1
avatar+7336 
+3

Hmm...well......I could be wrong here, but here's what I was thinking:

 

Since  f(0)  =  47 , we know that the constant term is  47 .

 

Since  f(1)  =  32 , we know that  the sum of the coefficients + 47  =  32

 

the sum of the coefficients + 47  =  32   so

the sum of the coefficients  =  -15

hectictar  Nov 28, 2017
 #2
avatar+2257 
+2

Your logic is spot on!

TheXSquaredFactor  Nov 28, 2017

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