princessm315
princessm315 princessm315
  • 22-05-2016
  • Mathematics
contestada

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 :

caylus
caylus caylus
  • 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.
Answer Link

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