# SOLUTION: Is it possible for x = 3 to be in the domains of the functions. q(x)=2x square root of 2 divided by x-3 and T(x)= square root this is inside the sign 2-x. I did q(3)=2(3) wit

Algebra ->  Algebra  -> Linear-equations -> SOLUTION: Is it possible for x = 3 to be in the domains of the functions. q(x)=2x square root of 2 divided by x-3 and T(x)= square root this is inside the sign 2-x. I did q(3)=2(3) wit      Log On

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 Question 215294: Is it possible for x = 3 to be in the domains of the functions. q(x)=2x square root of 2 divided by x-3 and T(x)= square root this is inside the sign 2-x. I did q(3)=2(3) with square root of 2 divided by 3-3 and For T(3)= square root that is inside the sign is 2-3. Why or why not? I think q(3)=2(3)is yes because after working it out on my calculater I came out with 3 and the second one no because it came out undefined. What are the domains of q(x) and T(x) ? (3,3),(0,0) Please explain what I did wrong if possible. Thank YouAnswer by Theo(3458)   (Show Source): You can put this solution on YOUR website!your equation is A graph of this equation is shown below. ----- at x = 3, (x-3) in the denominator causes a division by zero which causes the value to be undefined at that point. ----- At x < 3, (x-3) causes the denominator to be negative which causes the expression within the square root sign to be negative which results in the function not having real values at that point. ----- The domain of the function is all value of x > 3. The range of the function is all values of y > 0. ----- y will never be equal to 0 no matter how large x gets because the numerator in the fraction underneath the square root sign is a constant. It will approach 0 but never touch it. ----- The same graph but carrying x out a lot further shows this to be true. ----- I didn't understand the second part of your question. Maybe answering the first part helped you with the second part? -----