Math Problem Statement

Answer me as per image

Which type of function is shown in the table below?

Solution

The question in the image asks: "Which type of function is shown in the table below?" The table lists values of xx and f(x)f(x). The task is to determine the type of function represented.

Step-by-Step Analysis:

  1. Input-Output Relationship (x and f(x)):

    • The table provides these pairs: &x = 2, \, f(x) = 32, \\ &x = 3, \, f(x) = 128, \\ &x = 4, \, f(x) = 256, \\ &x = 5, \, f(x) = 512. \end{aligned}$$
  2. Function Check:

    • Each xx value has one corresponding f(x)f(x). This confirms it is a function.
  3. Type of Function:

    • Observing the growth pattern, the values of f(x)f(x) multiply by 4 as xx increases by 1:
      • f(3)/f(2)=128/32=4f(3)/f(2) = 128/32 = 4,
      • f(4)/f(3)=256/128=4f(4)/f(3) = 256/128 = 4,
      • f(5)/f(4)=512/256=4f(5)/f(4) = 512/256 = 4.
    • The outputs grow exponentially. This suggests an exponential function of the form: f(x)=abx.f(x) = a \cdot b^x.
    • Testing with f(x)=2x8f(x) = 2^x \cdot 8 matches the table. Therefore, it is exponential.
  4. Conclusion:

    • The correct answer is: Exponential.

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Related Questions:

  1. What is the formula of the exponential function represented here?
  2. How do you distinguish between linear, quadratic, and exponential functions using a table?
  3. Can the base of an exponential function be a number other than 2?
  4. What is the significance of the constant ratio property in exponential functions?
  5. How would the graph of this function look, and why?

Tip:

When analyzing tables, look for constant differences (linear), constant second differences (quadratic), or constant ratios (exponential).

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Math Problem Analysis

Mathematical Concepts

Exponential Functions
Patterns in Tables
Properties of Functions

Formulas

Exponential function: f(x) = a * b^x

Theorems

Constant Ratio Property of Exponential Functions

Suitable Grade Level

Grades 8-10