What is the range of $f(x)=3sqrt(x+3)-1$ ?

Question

1397 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-08-15T09:36:50

f(x) ≥ -1, where x is real.

minimum value for term 1 is zero, when x= -3, here f(x) = -1 (minimum)
x cannot be less than -3. Then as x tends to infinity, f(x) tends to infinity.

What is the range of f(x)=3sqrt(x+3)-1f(x)=3sqrt(x+3)-1?