cecy122
cecy122
05-07-2016
Mathematics
contestada
let f(x)=-2x-7 and g(x)=-4x+6 find (g o f )(-5)
Respuesta :
apologiabiology
apologiabiology
07-07-2016
easy
(g o f)(-5)=g(f(-5))
first evaluate f(-5), then input the result into g(x)
f(-5)=-2(-5)-7
f(-5)=10-7
f(-5)=3
g(3)=-4(3)+6
g(3)=-12+6
g(3)=-6
(g o f)(-5)=-6
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