Question 635443: Find the vertex, the line of symmetry, and the maximum/minimum value of f(x), graph the funciton.
f(x)= 1/4(x+9)²+1
+ The vertex is
+ The line of Symmetry is
+ What is the max/min value of f(x)?
+ Is the value of, f (-9)=1, a maximum or a minimum
+ Graph
Answer by ewatrrr(24785)   (Show Source):
You can put this solution on YOUR website!
Hi,
Note: the vertex form of a Parabola opening up(a>0) or down(a<0), 
where(h,k) is the vertex and x = h is the Line of Symmetry
f(x)= 1/4(x+9)²+1
+ The vertex is (-9,1) parabola opens Upward: a = 1/4 > 0
+ The line of Symmetry is x = -9
+ What is the max/min value of f(x): min value is 1
+ Is the value of, f (-9)=1, a maximum or a minimum
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