Question 27433
g(x)=3x+5, h(x)={{{x^2+2}}}


hg(-4) says put -4 into g(x). Then whatever answer you get there, put that into h(x)... very simple :-)


so, g(-4) = 3(-4)+5
g(-4) = -12+5
g(-4) = -7


so now, what is h(-7)?


h(-7) = {{{(-7)^2+2}}}
h(-7) = 49+2
h(-7) = 51


jon.