3 years ago

What is the value of f[g(3)] for the functions f(x) =x+2 and g(x) = 5x - 1

Mathematics

1 answer:

alexdok [17]3 years ago

7 0

Answer:

Step-by-step explanation:

In this case we know the composition of f and g is

$f(g(x))=f(5x-1)=5x-1+2=5x+1$

Thus if we change x by 3 we get

$f(g(3))=5(3)+1=16$

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