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Mathematics 15 Online
OpenStudy (anonymous):

let f(x)=x-2\4 and g(x)=-2x^2+4 find g(g(x)) HELP please(:

OpenStudy (anonymous):

g(g(x)) = -2( g(x))^2 +4

OpenStudy (anonymous):

2x^4 + 4?

OpenStudy (anonymous):

nah, substitite -2x^2+4 in place of x in g(x)

OpenStudy (anonymous):

g(g(x)) = -2(-2x^2+4)^1/2 + 4

OpenStudy (anonymous):

mhmmm i keep gtting 2x^2 ?!

OpenStudy (anonymous):

is it 4x^4+4?

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