Posted by Salman on .
f(x)=[sqrt((x68)^2 + x^3116x^2417x+267460)]  10
To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like NewtonRaphson to find one of these points.)
x1=? x2=? x3=?

Maths 
Reiny,
Does this question tie in somehow with the question you had posted in
http://www.jiskha.com/display.cgi?id=1258707548 ?
The second equation is identical.
BTW, did you ever take a look at the solution I gave you then?
Sometimes it is frustrating to have spent quite a bit of time solving a problem, and then not even knowing if the student that posted the question even looks at it.