At what input value will the function f(x)=x-5+2 begin to have real outputs? f(x)= √(x-5+2) ​

Question

At what input value will the function f(x)=x-5+2 begin to have real outputs?


`f(x)= √(x-5+2)`
​

Answer 1

5

Explanation:

x-5+2

5-5+2=0+2=2 that's a real answer so the answer is 5 :)