r8osellybeauty r8osellybeauty

26-10-2016
Mathematics

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given f(x)=x^2 7 and g(x)=x-4/x. find (g o f)(-1). hint: (g o f)(-1)=g(f(-1))

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Аноним Аноним

26-10-2016

I hope this helps you

x= -1 f (-1)=(-1)^2+7=1+7=8

g (f (-1))= g (8)

x=8 g (8)= 8-4/8=4/8=1/2

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