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OpenStudy (anonymous):
anyone feel like helping me with a few questions? Pleaase?
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OpenStudy (anonymous):
What is your question?
OpenStudy (anonymous):
It's about functions.
Hold on a sec, I'll pull them up.
OpenStudy (anonymous):
OpenStudy (anonymous):
the question is asking for F(g(x))
so take g(x) and plug that into every x in the equation F(x)
OpenStudy (anonymous):
So (6x)^2+3=?
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OpenStudy (anonymous):
36x^2+3?
OpenStudy (anonymous):
yes that is correct
OpenStudy (anonymous):
Thank you! okay I have one more. I think I'm getting it, it's just hard to plug them in for some reason
OpenStudy (anonymous):
Alright, Ill see if i can help
OpenStudy (anonymous):
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OpenStudy (anonymous):
That reads as
"g of F of x"
which means
g(f(x))
So you would take f(x) and plug it into every x in the equation g(x)
OpenStudy (anonymous):
I'm confused
OpenStudy (anonymous):
is it
x(4x) (-5+3) ??
OpenStudy (anonymous):
So G(x) is 4x-5
F(x) is x+3
so G(f(x))=
4(x+3)-5=
OpenStudy (anonymous):
4x-2
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OpenStudy (anonymous):
I'm starting to get it, but how do you plug these in because it looks like F(x) is 4x-5 orignally and you changed it?
OpenStudy (anonymous):
Sorry, i re-read it wrong, f(x) is 4x-5 and G(x) is x+3
G(f(x)) is
(4x-5)+3
4x-5+3
4x-2
OpenStudy (anonymous):
ohh okay I see. Thank you so much for your help!!
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