Question

Asked Nov 4, 2019

79.

Step 1

Plug g(x)=3x, then substitute x by 3x in f(x).

Answer: (fog)(x)= sqrt(3x-1)

Step 2

Under square root we cna not have negative so 3x-1≥0

Answer: Domain of (fog)(x) is [1/3 , infinity)

Step 3

Replace x in g(x) by sqrt(x-1).

Answ...

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