urgent math

posted by Anne

without graphing, find the vertex, the azis of symemtry, and the maximum value or the minium value.

1. Anne

sorry i forgot to put the problem. here it is:
f(x)=4(x+5)^2-6

2. Steve

y-k = a(x-h)^2

has vertex at (h,k).

Naturally, the max/min is at the vertex and the vertex is on the axis of symmetry.

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