Let f(x)=x^2-1 find (1)find for (2)fofof
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f(x) = x^ - 1 ( ^ = square )
f(1) = (1)^- 1
f(1) = 1 - 1
= 0
f(x) = x^-1
f(2)= (2)^-1
f(2)= 4 - 1
= 3
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