High School

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Identify the function for the value of a Plasma TV bought new for $3,700 that decreases by 25% each year. Does the function represent growth or decay?

A. [tex]V(t) = 3700(1.25)^t[/tex]; growth
B. [tex]V(t) = 3700(0.75)^t[/tex]; decay
C. [tex]V(t) = 3700(1.25)^t[/tex]; decay
D. [tex]V(t) = 3700(0.75)^t[/tex]; growth

Answer :

The value of a Plasma TV decreases by 25% each year So it's decay function which is
V(t) = 3700(1-r)^t
Where r is 25/100=0.25
V(t) = 3700(1-0.25)^t
V(t) = 3700(0.75)^t

So the answer is
V(t) = 3700(0.75)t; decay

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Rewritten by : Barada

Answer: V(t) = 3700(0.75)t; decay

Step-by-step explanation: