Question #53fab

1 Answer
Jim G.
Oct 31, 2017

#g(f(-2))=4#

Explanation:

#"evaluate f(-2) by substituting x = - 2 into "f(x)#

#f(color(red)(-2))=color(red)(-2)+2=0#

#"now substitute "f(-2)=0" into "g(x)#

#rArrg(f(-2))#

#=g(color(magenta)(0))#

#=4-color(magenta)(0)^2=4#

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