SOLUTION: Find the vertex, Axis of symmetry and minimum or maximum value of the function. Describe the domain and range of the function. Y=-x(squared)+4x-1

Algebra ->  Linear-equations -> SOLUTION: Find the vertex, Axis of symmetry and minimum or maximum value of the function. Describe the domain and range of the function. Y=-x(squared)+4x-1      Log On


   

Question 991724: Find the vertex, Axis of symmetry and minimum or maximum value of the function. Describe the domain and range of the function.
Y=-x(squared)+4x-1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Convert to vertex form by completing the square.
y=x%5E2%2B4x-1
y=%28x%5E2%2B4x%2B4%29-1-4
y=%28x%2B2%29%5E2-5
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Vertex : (-2,-5)
Axis of symmetry : x=-2
Min. value : y%5Bmin%5D=-5
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