Solve this : 18 Find the domain of the function, f(x)=x2+2x+3x2-5x+6Find the range of the following functions, - Maths - Relations and Functions

Question

Solve this :

18   Find   the   domain   of   the  
function ,   f ( x ) = x 2 + 2 x + 3 x 2 - 5 x + 6 Find  
the   range   of   the   following  
functions ,     ( Question -   20 , 21 ) 20   f
x = 1 1 - x 2 21   f ( x ) = x 2 + 2 22   Find   the
  domain   of   the   relation , R = x ,  
y : x ,   y ∈ Z ,   xy = 4

Varun Rawat · Accepted Answer

Refer the following links :

https://www meritnation
com/ask-answer/question/fhow-to-find-the-domain-and-range-of-root-of-x2-4/relations-and-functions/2731595

https://www meritnation
com/ask-answer/question/find-the-domain-and-range-of-1-9-x-2/relations-and-functions/10492383

Kindly ask the remaining queries in different threads

Solve this : 18 . Find the domain of the function , f ( x ) = x 2 + 2 x + 3 x 2 - 5 x + 6 Find the range of the following functions , ( Question - 20 , 21 ) 20 . f x = 1 1 - x 2 21 . f ( x ) = x 2 + 2 22 . Find the domain of the relation , R = x , y : x , y ∈ Z , xy = 4

Solve this :

$18 . Find the domain of the function, f (x) = \frac{x^{2} + 2 x + 3}{x^{2} - 5 x + 6} Find the range of the following functions, (Question - 20, 21) 20 . f (x) = \frac{1}{1 - x^{2}} 21 . f (x) = x^{2} + 2 22 . Find the domain of the relation, R = \{(x, y) : x, y \in Z, xy = 4\}$