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The question is about rotating the exponential function \( y = 2^x \) by 90° clockwise and determining the coordinates when \( x = 3 \).

### Steps to solve:
1. **Find the coordinates before rotation:**
   For \( x = 3 \), calculate the corresponding \( y \) value in the original function \( y = 2^x \):
   \[
   y = 2^3 = 8
   \]
   So, the point before rotation is \( (3, 8) \).

2. **Rotation by 90° clockwise:**
   When a point \( (x, y) \) is rotated by 90° clockwise, the new coordinates \( (x', y') \) are given by:
   \[
   (x', y') = (y, -x)
   \]
   Applying this to the point \( (3, 8) \):
   \[
   x' = 8, \quad y' = -3
   \]
   So, the new coordinates after the rotation are \( (8, -3) \).

### Conclusion:
The coordinates after the rotation are \( (8, -3) \), which matches option **C**.

Would you like further details or clarification? 

Here are 5 related questions:
1. What is the geometric interpretation of rotating a function?
2. How does rotating by 180° affect the coordinates of a point?
3. Can you explain the process of transforming other types of functions, like quadratic functions, under rotations?
4. What happens to the shape of the graph after a 90° clockwise rotation?
5. Can we generalize the rotation formula to any angle, not just 90°?

**Tip:** When dealing with rotations, it's helpful to visualize the process on a coordinate plane to ensure the transformation makes sense.

Diketahui fungsi eksponen y = 2^x. Jika fungsi eksponen tersebut dirotasi sejauh 90° searah jarum jam, tentukan hasil rotasi dan gambar grafiknya (x = 3)...

Learn how to rotate the exponential function y = 2^x by 90° clockwise. This example focuses on determining the rotated coordinates at x = 3 and applying transformation formulas.

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