ali6440 ali6440
  • 02-09-2018
  • Mathematics
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let f(x)=x-2 and g(x)=x2-7x-9 find f(g(-1))

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syahidah
syahidah syahidah
  • 02-09-2018
....................
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Аноним Аноним
  • 02-09-2018

g(-1) =  (-1)^2 - 7(-1) - 9

= 1 + 7 - 9 =  -1

f(g(-1)  =  (-1) - 2 = -3 (answer)

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