jsides101 jsides101
  • 25-10-2017
  • Mathematics
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find the (f of f) (0) f(x)=3x-2

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altavistard
altavistard altavistard
  • 26-10-2017
First write (f o f)(x).  This calls for us to use f(x) = 3x-2 as the input to f(x).

f(x) = 3x - 2       =>   f(   )  = 3(    ) - 2         Now subst. f(x) inside both sets of parentheses:

f(f(x)) (f o g)(x) = 3(3x-2) -2 = 9x - 6 - 2 = 9x - 8 (answer)
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