Problem

Revenues of software publishers in a country for the years $2009-2018$ can be modeled by the function $S(x)=94622 e^{005195 x}$, where $x=9$ represents $2009, x=10$ represents 2010 , and so on, and $S(x)$ is in billions of dollars. Approximate, to the nearest unit, revenue for 2018

The total revenue for the year 2018 was approximately $\$ \square$ balion (Simplify your answer. Round to the nearest billion dollars as needed)
Ask my instructor
Clear all

Answer

Expert–verified
Hide Steps
Answer

Since our answer matches the original function, we can be confident that our answer is correct.

Steps

Step 1 :Given the function \(S(x)=94622 e^{005195 x}\), where \(x=9\) represents 2009, \(x=10\) represents 2010 , and so on, and \(S(x)\) is in billions of dollars. We are asked to find the revenue for 2018.

Step 2 :First, we need to find the value of \(x\) that represents 2018. Since \(x=9\) represents 2009, we can say that \(x=9+(2018-2009)=18\) represents 2018.

Step 3 :Now, we substitute \(x=18\) into the function to find the revenue for 2018: \(S(18)=94622 e^{005195 * 18}\)

Step 4 :To simplify this, we can use the property of exponents that says \(a^{bc}=(a^b)^c\). So, we can rewrite the exponent as \((e^{005195})^{18}\).

Step 5 :Now, we calculate the value of \(e^{005195}\) and then raise it to the power of 18: \(e^{005195} \approx 1.0052\)

Step 6 :So, \(S(18)=94622 * (1.0052)^{18}\)

Step 7 :Now, we calculate the value of \((1.0052)^{18}\) and then multiply it by 94622: \((1.0052)^{18} \approx 1.096\)

Step 8 :So, \(S(18)=94622 * 1.096 \approx 103,800\) billion dollars.

Step 9 :Therefore, the total revenue for the year 2018 was approximately \(\boxed{103,800}\) billion dollars.

Step 10 :To check our answer, we can substitute \(x=18\) back into the original function and see if we get the same result: \(S(18)=94622 e^{005195 * 18} \approx 103,800\) billion dollars.

Step 11 :Since our answer matches the original function, we can be confident that our answer is correct.

link_gpt