+0  
 
0
47
5
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Let $f(x)$ be the polynomial $f(x)=x^7-3x^3 2.$ If $g(x) = f(x   1)$, what is the sum of the coefficients of $g(x)$?

Guest Nov 24, 2018
 #1
avatar+94092 
+1

Let $f(x)$ be the polynomial $f(x)=x^7-3x^3 2.$ If $g(x) = f(x   1)$, what is the sum of the coefficients of $g(x)$?

 

Please write this either with properly presented latex or with no latex at all.

The meaning is not clear.  What is f(x  1) supposed to mean?

Melody  Nov 25, 2018
edited by Melody  Nov 25, 2018
 #2
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0

sorry it should be f(x+1)

Guest Nov 25, 2018
 #3
avatar+94092 
0

I suggest that you repost and present your question properly.  

Melody  Nov 25, 2018
 #4
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0

Let \(f(x)\) be the polynomial \(f(x)=x^7-3x^3+2.\) If \(g(x) = f(x+1)\), what is the sum of the coefficients of \(g(x)\)?

Guest Nov 26, 2018
 #5
avatar+94092 
+1

\(g(x)=f(x+1)=(x+1)^7-3(x+1)^3+2\)

 

Now you need to expand and simplify.

Then you can add the co-efficients.

 

I got 106

Melody  Nov 27, 2018

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