Question

find the domain and range of real function f(x)=√4-x^2 ​

Answer 1

Here is your answer user.

Answer 2

Answer:

DO4-x² <0

(2+x)(2-x)<0 or when

2+x<0 and 2-x<0

x<-2 and x>2

RANGE 4-x²(-2.1 ,2.1-1,2.5)

This is the top half a circle and the range is [0,2