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beemo0817
beemo0817 beemo0817
  • 22-07-2016
  • Mathematics
Answered

The function f is defined by f(x)=2x^2 -7

Find f(-n)

Verified Answer :

princegn
princegn princegn
  • 22-07-2016

f(x)=2x^2 - 7
put x = -n
f(-n) = 2(-n)^2 - 7
 = 2n^2 - 7

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