Math Problem Statement

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage rate of increase or decrease: y = 760(1.325)^x

Solution

To analyze the given exponential function:

y=760(1.325)xy = 760(1.325)^x

Step 1: Identify growth or decay

The base of the exponential function is 1.3251.325, which is greater than 1. This indicates that the function represents growth.

Step 2: Determine the percentage rate of growth

The rate of change is derived from the base of the exponential function. The percentage rate of growth is given by:

Growth rate=(1.3251)×100=0.325×100=32.5%\text{Growth rate} = (1.325 - 1) \times 100 = 0.325 \times 100 = 32.5\%

Final Answer:

  • Growth
  • 32.5% increase

Would you like further clarification or a deeper explanation of this?

Here are 5 related questions for you to explore:

  1. How does the base of an exponential function determine growth or decay?
  2. What happens when the base is less than 1 in an exponential function?
  3. Can you identify the initial value in an exponential function?
  4. How do you calculate the growth rate for other bases like 1.51.5 or 22?
  5. What are real-life examples of exponential growth and decay?

Tip: Always compare the base of the exponential function to 1 to quickly decide whether it represents growth or decay.

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Math Problem Analysis

Mathematical Concepts

Exponential Functions
Growth and Decay
Percentage Rate of Change

Formulas

y = a(b)^x
Growth rate = (b - 1) * 100%

Theorems

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Suitable Grade Level

Grades 9-11