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OpenStudy (anonymous):
f(x)=-2x-7, g(x)=-4x3, find f(g(x))
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OpenStudy (luigi0210):
f(g(x)) is another way of saying plug in the equation of g(x) in for x in f(x)
OpenStudy (anonymous):
is that 4x^3
OpenStudy (luigi0210):
wait, what is the g(x) function?
OpenStudy (luigi0210):
If it is a 4x^3 then it would look like this. \[f(4x^3)=-2(4x^3)-7\] Now multiply and simplify \[f(4x^3)=-8x^3-7\]
OpenStudy (luigi0210):
Hope that helps
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OpenStudy (anonymous):
thanks
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