Math Problem Statement

Grafica la función.

[f(x)=2\left(\dfrac{1}2\right)^x]

Solution

Here is the graph of the function:

f(x)=2(12)xf(x) = 2\left(\frac{1}{2}\right)^x

This curve represents exponential decay since the base 12<1\frac{1}{2} < 1. The function decreases rapidly as xx becomes more positive.

Would you like more details or have any questions?

Here are 8 related questions to explore:

  1. How does the graph change if the coefficient 2 is increased or decreased?
  2. What happens to the graph if the base 12\frac{1}{2} is replaced by a number greater than 1?
  3. How can you determine the horizontal asymptote of this function?
  4. How would the graph look if you reflected it across the y-axis?
  5. What is the y-intercept of this function, and how is it calculated?
  6. How does changing xx in the exponent affect the steepness of the curve?
  7. What are some real-life examples of exponential decay modeled by functions like this?
  8. How does the rate of decay change if the base is smaller, like 13\frac{1}{3} instead of 12\frac{1}{2}?

Tip: Exponential decay functions have a base between 0 and 1, causing the graph to approach the x-axis as xx increases.

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Math Problem Analysis

Mathematical Concepts

Exponential Functions
Exponential Decay

Formulas

Exponential function formula f(x) = a * b^x
Exponential decay formula f(x) = a * (1/b)^x

Theorems

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Suitable Grade Level

Grades 10-12