Respuesta :
You can represent that value of the phone as
()=750(.72)
V
(
t
)
=
750
(
.72
)
t
where
t
is in years at
(0)=750
V
(
0
)
=
750
(1)=750∗.72=540
V
(
1
)
=
750
∗
.72
=
540
(2)=750∗(.72)2=388.8
()=750(.72)
V
(
t
)
=
750
(
.72
)
t
where
t
is in years at
(0)=750
V
(
0
)
=
750
(1)=750∗.72=540
V
(
1
)
=
750
∗
.72
=
540
(2)=750∗(.72)2=388.8