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Find f(x+2) of the function f(x)= 4x^2+2x-4 HELP ASAP PLEASE WORTH 40 POINTS

User Ahi Tuna
by
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2 Answers

3 votes

f(x+2)

  • 4(x+2)²+2(x+2)-4
  • 4(x²+4x+4)+2x-4-4
  • 4x²+16x+16+2x
  • 4x²+18x+16
User Ravi B
by
6.0k points
1 vote

Answer:

Given

  • f(x)= 4x²+2x-4

To find f(x + 2) substitute x with x + 2 in the given function:

f(x+2)= 4(x + 2)² + 2(x + 2) - 4

= 4(x² + 4x + 4) + 2x + 4 - 4

= 4x² + 16x + 16 + 2x

= 4x² + 18x + 16

User Anthony Nandaa
by
5.8k points