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Mathematics 7 Online
OpenStudy (anonymous):

f(x)=x^2-1, then (f times f)(x) is given by the formula (a) y=(x^2-1)(x^2-1)(x) (b) y=2x^2-2 (c) y=x^4+2x^2 (d) y=x^4-2x^2

OpenStudy (tkhunny):

Looks like Strike 4, to me. Are you SURE you have written all of the choices correctly.

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