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What is the rate of increase for the function [tex]f(x)=\frac{1}{3}\left(\sqrt{2}-\frac{1}{2}\right)^2\left\}^2[/tex]?

A. [tex]\frac{1}{3}[/tex]
B. [tex]2 \sqrt[3]{3}[/tex]
C. [tex]4[/tex]
D. [tex]4 \sqrt[3]{9}[/tex]

Sagot :

To determine which of the given choices evaluates to the same value as the function provided, let's carefully analyze the given function step-by-step.

The function is:
[tex]\[ f(x) = \left( \frac{1}{3} \left(\sqrt{2} - \frac{1}{2}\right)^2 \right)^2 \][/tex]

Let's evaluate this function piece by piece.

1. Expression Inside the Squared Term:
[tex]\[ \sqrt{2} - \frac{1}{2} \][/tex]

2. Square the Expression:
[tex]\[ \left(\sqrt{2} - \frac{1}{2}\right)^2 \][/tex]

3. Multiply by \(\frac{1}{3}\):
[tex]\[ \frac{1}{3} \left(\sqrt{2} - \frac{1}{2}\right)^2 \][/tex]

4. Square the Entire Expression:
[tex]\[ \left( \frac{1}{3} \left(\sqrt{2} - \frac{1}{2}\right)^2 \right)^2 \][/tex]

After performing this calculation, we need to compare the final result with the given options:

1. Option 1: \(\frac{1}{3}\):
Since \(\frac{1}{3}\) is a straightforward value, without further operations involved, it's already clear that this value is unlikely to match the form of our function.

2. Option 2: \(2 \cdot \sqrt[3]{3}\):
This is the value 2 times the cube root of 3. It involves a cube root operation which fundamentally differs from our squared operations.

3. Option 3: \(4\):
This is a simple numerical value. Based on the extensive operations involved in our function, it's unlikely to directly result in this value without further simplification or typographical errors.

4. Option 4: \(4 \cdot \sqrt[3]{9}\):
This involves multiplying 4 by the cube root of 9. Again, this involves cube root operations which differ from our equation's structure involving squared operations.

Given the detailed analysis of each option with respect to the computational structure of the function, it is immediately clear that none of the values from the options are likely to match exactly.

Hence, the answer is not among the provided choices.

So, the correct conclusion is that there isn't a matching value among the options provided.