SOLUTION: What is the minimum of the function x^2+4x+2?

Algebra.Com
Question 50372: What is the minimum of the function x^2+4x+2?
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
minimum of the function x^2+4x+2?
----------------
There are many ways to do this problem, depending
on where you are in your studies. One way is to
find x=-b/2a
For your problem a=1,b=4, so x=-4/2=-2
Then find f(-2)=(-2)^2+4(-2)+2= -2
The minimum is at (-2,-2)
Cheers,
Stan H.

RELATED QUESTIONS

A function of two variables is defined as f(x.y)=x^2+y^2+4x-6y+7. What is the minimum... (answered by KMST)
what is the x coordinate of the minimum of the function f(x)=|-4x+6|-4 1. -6 2. -4... (answered by richwmiller)
What is the absolute minimum and maximum of the function on the domain of the definition? (answered by tommyt3rd)
Find the maximum or minimum value of the function. f(x) = -x^2 + 4x + 1 state whether... (answered by Boreal)
what is the minimum value of the function f(x)=... (answered by lwsshak3)
Find the maximum or minimum of the function f(x)=8x^2-4x+50. (answered by Fombitz)
Find the maximum or minimum of each quadratic function.... (answered by Alan3354)
Functions: p(x)=-3x^2+4x+26 g(x)=x^3+5x-18 1. What is the range? 2.... (answered by Nate)
if x is a real number, then what is the minimum value of... (answered by Boreal)