SOLUTION: Please help me solve this function, I don't know where to start! f(x)= Sqrt(x+5)-x+1 Find f{sqrt(2)-1}

Algebra ->  Functions -> SOLUTION: Please help me solve this function, I don't know where to start! f(x)= Sqrt(x+5)-x+1 Find f{sqrt(2)-1}      Log On


   

Question 978684: Please help me solve this function, I don't know where to start!
f(x)= Sqrt(x+5)-x+1
Find f{sqrt(2)-1}
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29=+sqrt%28x%2B5%29-x%2B1
Just substitute for x with the given value.
f%28sqrt%282%29-1%29=sqrt%28sqrt%282%29-1%2B5%29-%28sqrt%282%29-1%29%2B1
f%28sqrt%282%29-1%29=sqrt%28sqrt%282%29%2B4%29-sqrt%282%29%2B1%2B1
f%28sqrt%282%29-1%29=sqrt%28sqrt%282%29%2B4%29-sqrt%282%29%2B2