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The formula \(S=C(1+r)^{t}\) models inflation, where \(C=\) the value today, \(r=\) the annual inflation rate, and \(S=\) the inflated value \(t\) years from now. Use this formula to solve. Round answers to the nearest dollar. If the inflation rate is \(3 \%,\) how much will a house now worth \(\$ 510,000\) be worth in 5 years?

Short Answer

Expert verified
The house will be worth approximately \$ 593,743 in 5 years.

Step by step solution

01

Understand the problem and identify the given values

According to the problem, the value of the house today (C) is \$ 510,000, the inflation rate (r) per year is 3 \% or 0.03 when converted to a decimal, and the time duration (t) is 5 years.
02

Substitute the values into the formula

Substitute the given numbers into the formula \(S=C(1+r)^{t}\). This gives us \(S= 510000 (1+0.03)^{5}\).
03

Simplify and solve

By simplifying, the equation becomes \(S= 510000 (1.03)^{5}\). Then, calculate \(1.03 \^{5}\) to find the inflated value.
04

Round to the nearest dollar

The final step is to round the value of \(S\) to the nearest dollar, as required by the problem.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Future Value of Money
Understanding the future value of money is essential when assessing the impact of inflation, savings, or investments. It's a concept that tells us what a certain amount of money will be worth in the future, taking into account a specific interest or growth rate.

For instance, if you have \(1,000 today and you save it in an account with a 3% interest rate, the future value of that \)1,000 will be more than its current value due to the interest that accumulates over time. The mathematical formula for calculating the future value of money is similar to the one used for calculating the inflated value in our exercise: \(S = C(1 + r)^t\).

In practical terms, if you plan to buy a house or fund your education, understanding the future value can help you make more informed financial decisions. The concept takes the 'time value of money' into account, recognizing that the purchasing power of money can change over time due to inflation or interest rates.
Exponential Growth
Exponential growth refers to an increase in a quantity over time at a rate that is proportional to the current amount. In the context of inflation or investments, it's the process by which a value grows at a consistent percentage over periods of time.

Unlike linear growth, which increases by a fixed amount, exponential growth accelerates over time. To visualize it, imagine if you're folding a piece of paper. Each fold represents a period of time. As you fold more and more, the layers of paper increase exponentially, not just by one more layer each time.

The inflation of money value is a classic example of exponential growth. In our house value example, the 3% inflation rate signifies that, each year, the house increases in value by 3% of its value in the previous year. Therefore, the increase is compounded, and the growth rate is exponential. This concept is critical when planning for long-term financial commitments or evaluating investment returns.
Algebraic Modeling
Algebraic modeling involves using algebraic expressions to represent real-life situations. The formula \(S = C(1 + r)^t\) from our inflation rate calculation problem is a prime example of algebraic modeling — it transforms the abstract concepts of inflation and future value into a concrete, solvable equation.

By inputting the known values into the equation, we can model the future situation of the house's value. Algebraic models are not only limited to financial matters but can be used to predict population growth, chemical reactions, and even traffic patterns.

As you dive deeper into algebraic modeling, it's important to remember that these models are simplifications of complex realities. They can provide valuable insights but always within the parameters of their assumptions. Nevertheless, mastering algebraic modeling can significantly enhance your problem-solving abilities and allow you to make predictions with greater confidence.

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Most popular questions from this chapter

Determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. If 4000 dollar is deposited into an account paying 3% interest compounded annually and at the same time 2000 dollar is deposited into an account paying 5% interest compounded annually, after how long will the two accounts have the same balance? Round to the nearest year.

The logistic growth function $$ P(x)=\frac{90}{1+271 e^{-0.122 x}} $$ models the percentage, \(P(x),\) of Americans who are \(x\) years old with some coronary heart disease. Use the function to solve Exercises \(43-46\) What percentage of 80 -year-olds have some coronary heart disease?

Research applications of logarithmic functions as mathematical models and plan a seminar based on your group's research. Each group member should research one of the following areas or any other area of interest: \(\mathrm{pH}\) (acidity of solutions), intensity of sound (decibels), brightness of stars, human memory, progress over time in a sport, profit over time. For the area that you select, explain how logarithmic functions are used and provide examples.

Hurricanes are one of nature's most destructive forces. These low-pressure areas often have diameters of over 500 miles. The function \(f(x)=0.48 \ln (x+1)+27\) models the barometric air pressure, \(f(x),\) in inches of mercury, at a distance of \(x\) miles from the eye of a hurricane. The function \(W(t)=2600\left(1-0.51 e^{-0.075 t}\right)^{3}\) models the weight, \(W(t),\) in kilograms, of a female African elephant at age \(t\) years. (1 kilogram \(=2.2\) pounds) Use a graphing utility to graph the function. Then \([\mathrm{TRACE}]\) along the curve to estimate the age of an adult female elephant weighing 1800 kilograms.

Explain how to use the graph of \(f(x)=2^{x}\) to obtain the graph of \(g(x)=\log _{2} x\).

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