dianaesflo16
dianaesflo16 dianaesflo16
  • 15-06-2016
  • Mathematics
contestada

Which points are on the graph of ƒ(x) = 2(0.5)x?
(0, 2)
(1, 1)
(-2, -8)
(2, 2.25)
(-1, -1)

Respuesta :

caylus
caylus caylus
  • 16-06-2016
Hello,

f(x)=2/2^x
f(0)=2/1=2        A:True

f(1)=2/2^1=2/2=1  B:True

f(-2)=2/2^(-2)=2/(1/4)=8    C:false (negative 8)

f(2)= 2/2^2=2/4=1/2  D: False

f(-1)=2/2^(-1)=2/1/2=2*2=4  E: false
Points are A and B

Answer Link
monico
monico monico
  • 19-06-2016
First set of points (0,2) (1,1)
Answer Link

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