Problem

Question () Watch Video The value of a car that depreciates over time can be modeled by the function $V(t)=24000(0.85)^{t+2}$. Write an equivalent function of the form $V(t)=a b^{t}$. Answer Attempt 2 out of 2 \[ V(t)=00(\mathrm{ab})^{t} \text { Submit Answer } \]

Solution

Step 1 :The given function is \(V(t)=24000(0.85)^{t+2}\). We are asked to rewrite this function in the form \(V(t)=ab^t\).

Step 2 :To do this, we can use the properties of exponents, specifically the rule that states \(a^{m+n} = a^m * a^n\).

Step 3 :Applying this rule, we can rewrite \((0.85)^{t+2}\) as \((0.85)^t * (0.85)^2\).

Step 4 :Then, we calculate the value of \((0.85)^2\) and multiply it with 24000 to get the value of \(a\). The base \(b\) will remain as 0.85.

Step 5 :After calculating, we get \(a = 17339.999999999996\) and \(b = 0.85\).

Step 6 :Rounding \(a\) to the nearest whole number, we get \(a = 17340\).

Step 7 :\(\boxed{V(t)=17340(0.85)^t}\) is the equivalent function of the form \(V(t)=ab^t\).

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Source: https://solvelyapp.com/problems/U2DfxiWVOQ/

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