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Mathematics

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If f(x)=2x+1 and g(x)=1/2(x-1), what does f(g(-4)) equal

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g(-4)

=1/2((-4)-1)

=1/2(-5)

=-2.5

------------------------------

f(g(-4))

=f(-2.5)

=2(-2.5)+1

=-5+1

=-4

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