Question

Find the domain and the range of the following real functions:

(i)f (x) = √9 − x^2

​

Answer 1

Step-by-step explanation:

domain

9 - x² ≥ 0

=> 9 ≥ x²

=> x² ≤ 9

=> x ≤ ±3

_____-3________+________+3_____

domain = [ -3 , +3 ]

Answer 2

Answer:

I hope this solves your doubt