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Algebra 15 Online
OpenStudy (samizemaitis):

Given that f(x) = −x + 4 and g(x) = −2x − 3, solve for f(g(x)) when x = 2.

satellite73 (satellite73):

step one find \(g(2)\)

OpenStudy (samizemaitis):

i tried I don't know the answer

satellite73 (satellite73):

what did you get for \(g(2)\)?

OpenStudy (samizemaitis):

8

satellite73 (satellite73):

\[g(x)=-2x-3\] right?

OpenStudy (samizemaitis):

yes

satellite73 (satellite73):

so \[g(2)=-2\times 2-3=?\]

OpenStudy (samizemaitis):

-7?

satellite73 (satellite73):

yes that is step one

satellite73 (satellite73):

now step two, find \(f(-7)\)

OpenStudy (samizemaitis):

is the answer -7

satellite73 (satellite73):

no, this takes two steps, that was only step one

satellite73 (satellite73):

step two is to find \(f(-7)\)

OpenStudy (samizemaitis):

11?

satellite73 (satellite73):

yes, that is the answer

satellite73 (satellite73):

in one line \[f(g(2))=f(-7)=11\]

OpenStudy (samizemaitis):

thanks boo youre awesome

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