!!!URGENTE!!!
Sejam f (x) = 3x −1 e g (x) = 5x −3, determine:
a) g (f (x))
b) f (g (x))
c) g (g (x))
d) f (f (x))
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a) g (f (x)) = 5f-3 = 5(3x-1)-3= 15x-5-3= 15x-8
b) f (g (x)) = 3g-1= 3(5x-3)-1= 15x-9-1= 15x-10
c)g(g (x))=5g-3=5(5x-3)-3=25x-15-3= 25x-18
d) f (f (x)) =3(f)-1= 3(3x-1)-1= 9x-3-1= 9x-4
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