princessm315 princessm315

22-05-2016
Mathematics

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in the function f (x)=(x-2)^2+4, the minimum value occurs when x is... (a) -2
(b) 2
(c) -4
(d) 4

Respuesta :

22-05-2016

Hello,

y=a(x-h)²+k has the vertex (h,k)
If a>0 it is a minimum
if a<0 it is a maximum

Here h=2 and k=4

The minimum is 2
Answer B.

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