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Mathematics 17 Online
OpenStudy (anonymous):

i think i know this but not positive

OpenStudy (anonymous):

Given that f(x) = −x + 4 and g(x) = −2x − 3, solve for f(g(x)) when x = 2. −14 −7 7 11

OpenStudy (anonymous):

b

OpenStudy (anonymous):

11

OpenStudy (anonymous):

f(g(x)), if f(x), where x = g(x)

OpenStudy (anonymous):

how

OpenStudy (anonymous):

-(-2x-3)+4 2x+7 2(2)+7=11

OpenStudy (anonymous):

f(g(x)) = f(x), where you substitute x for the equation of g(x) You can also let x = 2, for g(x), and solve to get a number. Then, put that number into f(x) to get your answer

OpenStudy (anonymous):

plug in the equation for g(x) in the x variable of the f(x) equation

OpenStudy (anonymous):

okay well thank you guys i get it now

OpenStudy (anonymous):

np

OpenStudy (anonymous):

x = 2 in g(x) -2(2)-3 = -7 f(-7) = -(-7)+4 = 11

OpenStudy (anonymous):

Either way you get the same answer

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