Fas a function of x is equal to the square root of quantity 6 x plus 9 , f as a function of x is equal to the square root of quantity 6 x minus 9 find (f + g)(x). (5 points)

A.

Step-by-step explanation:

We are given the functions f(x) and g(x) as,

It is required to find the function ( f+g ) i.e. ( f+g ) (x)

So,

i.e.

Hence, we get that .

So, the first option is correct.

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