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alexwee123 Group TitleBest ResponseYou've already chosen the best response.1
domain 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 :)
 2 years ago

greeneyes<3 Group TitleBest 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...
 2 years ago

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

alexwee123 Group TitleBest ResponseYou've already chosen the best response.1
so 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)
 2 years ago

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

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

alexwee123 Group TitleBest ResponseYou've already chosen the best response.1
well 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
 2 years ago

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