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alexwee123
 2 years ago
Best ResponseYou've already chosen the best response.1domain and range is same as the square root function this function is only vertically stretched by a factor of two so therefore the domain and range is not affected :)

greeneyes<3
 2 years ago
Best ResponseYou've already chosen the best response.0:( my answer was D: all real #s R: all real #s But I think that is wrong...

alexwee123
 2 years ago
Best ResponseYou've already chosen the best response.1ya it is because x cannot be negative, you can't square root a negative unless you want imaginary :/

alexwee123
 2 years ago
Best ResponseYou've already chosen the best response.1so because the values of x cannot be negative then the y values cannot be negative either so that leaves you with a domain of [0,infinity) and a range of [0,infinity)

alexwee123
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1337382785574:dw

greeneyes<3
 2 years ago
Best ResponseYou've already chosen the best response.0D: x >\= 0 r: y >\= 0 ? I'm still confused. :/

alexwee123
 2 years ago
Best ResponseYou've already chosen the best response.1well i told you that the values of x cannot be negative because you cannot square root a negatives so all values of x must be greater than or equal to zero and because y is the output of the x values y must also be greater than or equal to 0

greeneyes<3
 2 years ago
Best ResponseYou've already chosen the best response.0Kay thanks :) I'm sorry but I'm just so awful at math...
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