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Can someone please workout: If(x)=3x^2-x+2, find

a) f(a+1) b) 2f (a)

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Can someone please workout: If(x)=3x^2-x+2, find

a) f(a+1)
b) 2f
(a)

Answer

[tex]f(x)=3x^2-x+2\\\\a)\ put\ x=a+1\\f(a+1)=3(a+1)^2-(a+1)+2=3(a^2+2a+1)-a-1+2\\=3a^2+6a+3-a+1=3a^2+5a+4\\\\\\b)\ put\ x=a\\2f(a)=2\left(3a^2-a+2
ight)=6a^2-2a+4[/tex]

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Virtual Teaching Assistant: John B.
Question Level: Basic
Karma: Free
Upload Date: 5/31/2017

This 11 words question was answered by John B. on StudySoup on 5/31/2017. The question contains content related to Math Since its upload, it has received 214 views.

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