greenblaise
greenblaise
25-09-2017
Mathematics
contestada
Please help me figure this one out !!!
Respuesta :
jbmow
jbmow
28-09-2017
These are "composite" functions.
g(x+a) means insert (x+a) into g(x) to replace every x:
g(x+a) - g(x) = -5(x+a)^2 +4(x+a) +5x^2 - 4x
= -5(x^2 + 2ax + a^2) +4x +4a + 5x^2 - 4x
Now just Multiply and sum up the answer.
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