Let f (x) =1/x
and g(x) = x² – 9x. What
two numbers are not in the domain of fºg?
Separate your answers with a comma.
Enter the correct answer

The first number is .

The second number is .

Step-by-step explanation:

The circle "" in is the function composition operator. As its name suggests, it combines two functions, and , to give a new function.

In practice, is equivalent to . To calculate

In this case, and .

To find an expression for or , simply replace all occurrences of in with . That is:

.

Since , .

Hence, .

The expression is undefined only when the denominator is equal to zero. That is: .

Factor out to obtain: .

That happens either when or when .

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stethere all not eveanp-by-step explanation: