SOLUTION: if x is a real number, then what is the minimum value of 3^(x^2-4x+8)

Algebra ->  Exponents -> SOLUTION: if x is a real number, then what is the minimum value of 3^(x^2-4x+8)      Log On


   



Question 1133288: if x is a real number, then what is the minimum value of 3^(x^2-4x+8)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The minimum value of x^-4x+8 occurs at the vertex where =-b/2a or -4/-2 or 2
x=2, f(x)= 4 and the value is 3^4=81.
graph%28300%2C300%2C-5%2C5%2C-10%2C200%2C3%5E%28x%5E2-4x%2B8%29%29