bobie5oo bobie5oo
  • 06-06-2018
  • Mathematics
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If F(x)=2x^2+3, then which of the following represent f(x+1). A.2x^2+2. B. X^2+3. C. 2x^2+4x+1. D. 2x^2+4x+5

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caylus
caylus caylus
  • 06-06-2018
Hi,
If it is f(x)=2x²+3 and not F(x)=2x²+3 then 
Answer D.

[tex]f(x)=2x^2+3\\ f(x+1)=2(x+1)^2+3\\ =2(x^2+2x+1)+3\\ =2x^2+4x+5\\ [/tex]

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