2 years ago

Let f(x)= 5x-9 and g(x)=x+4 find f(g(x) and g (f(x)

Mathematics

1 answer:

shtirl [24]2 years ago

8 0

F(g(x)= x+4
f(x+4)= 5(x+4)-9
=5x+20-9
=5x+11
g(f(x)= 5x-9
g(5x-9)=5x-9+4
=5x-5

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