anarobleroo
anarobleroo
16-03-2018
Mathematics
contestada
F(x)=4x+7,g(x)=3x^2
find(fg) (x)
Respuesta :
harpazo
harpazo
16-03-2018
We want f(g(x)).
This means to plug the value of g(x) into every x you see in f(x) and simplify.
f(3x^2) = 4(3x^2) + 7
f(3x^2) = 12x^2 + 7
So, f(g(x)) = 12x^2 + 7.
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