Identify the maximum or minimum value and the domain and range of the graph of the function y = 2(x – 3)2 – 4.

Question

tkhunny · Answer

Eyeball Reaction ==> Vertex (3,-4).  Thus, min or max is -4.  Which is it?
Second Pass ==> +2 out in front.  This parabola opens up, making the vertex a minimum.

goten77 · Answer

do 1st derivative test?

tkhunny · Answer

That would be another way, if you are in calculus.

anonymous · Answer

im in algebra, not calc. lol

goten77 · Answer

no that would b the only way.... just going by wut u c on a calculator is estimating and not getting exact values.... though it maybe true some times

goten77 · Answer

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