Find the domain of the function sqrt(4-x^2).

I tried it not sure if i'm correct
4-x^2>= 0
-x^2>=-4
x^2<=4
x<=2,x>=-2
Am I correct?

1 answer

yes i totally. that is right

Similar Questions

find the domain of the real valued function;f(x) = sqrt(5 - (sqrtx)) my solution: 5 - (sqrt x) >=0 -(sqrt x) >= -5 (sqrt x) <= 5
1. 2 answers
Hello! If you can help me with these 3 questions I would love it!1. How do you simplify sqrt5 + 6 sqrt 5? I think that it is 5
1. 3 answers
f(x)= 4-x^2 and g(x)= sqrt (x)find the implied domain of fg(x) fg(x)= f(sqrt(x)) fg(x)= 4-(sqrt(x))^2 fg(x)=4-(sqrt x)(sqrt x)
1. 2 answers
The above function is given:f(x)= sqrt of (2x-6)/(x-8) - Sarah describes the domain as [3, ∞). - Describe why her domain is
1. 3 answers