Question

find the domain of the function f(x)=√(x^2-7x+10)​

Answer 1

Answer:x =(-infinity,2] union[5,infinity)

Step-by-step explanation:

Answer 2

We have:

y=(x²–9)/(x–3)=(x–3)(x+3)/(x–3)=(x+3)

Then,

To find domain of the given function we cannot including x=3,because at x=3,the function is not defined.

So, the domain will be R–{3}

Similarly;

As we know x≠3,so output will never comes with 6.

Therefore, the range will be R–{6}

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