Question

√x^2+6x+9 if x<3

Pls help cant solve it

Answer 1

F(x) < 6

Explanation:

`√((x^2 + 6x +9)) = √((x+3)(x+3)) = √((x+3)^2\\)`

This can be simplified to (x+3) and so if x is less than 3, f(x) is less than 6