SOLUTION: Let f(x)=x-18 and g(x)=sqrt(x-3) I need to find (f/g)(12) and Find the domain of the quotient function f/g Could you please provide guidance on how I solve these?

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Question 1149341: Let f(x)=x-18 and g(x)=sqrt(x-3)
I need to find (f/g)(12)
and
Find the domain of the quotient function f/g
Could you please provide guidance on how I solve these?

Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!


x must be GREATER THAN 3.
If x less than 3, denominator is square root of negative value, so not acceptable. If x 3, then denominator 0, so not acceptable.


You want the ratio function for x at 12? Substitute for 12 and evaluate.

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