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 .

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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