https://file.aiquickdraw.com/mathbot/file/17281733275293ilpv3si.jpg

Based on the image provided, the question asks: "Pada interval manakah fungsi tersebut monoton naik?" which means "In which interval is the function increasing?"

To determine where the function is monotonically increasing, we need to observe where the slope of the curve is positive. This occurs when the function moves upward as we go from left to right.

### Observing the graph:
- **From \( C_1 \) to \( B_1 \)**: The curve appears to be decreasing.
- **From \( D_1 \) to \( C_1 \)**: This section shows an increasing trend.
- **From \( B_1 \) to \( J_1 \)**: This section shows an increasing trend.
- **From \( E_1 \) to \( D_1 \)**: This section shows a decreasing trend.

### Conclusion:
The function is monotonically increasing on the interval \([B_1, J_1]\). Therefore, the correct answer is **c. [B_1, J_1]**.

Would you like further explanation or have any additional questions?

### Here are 5 related questions to explore:
1. How do we define a function being monotonically increasing?
2. What role do critical points play in determining where a function increases or decreases?
3. Can a function increase and decrease multiple times within a given interval?
4. What is the significance of a local minimum or maximum in understanding monotonicity?
5. How can the first derivative help in determining intervals of increase and decrease?

**Tip:** To identify increasing and decreasing intervals easily, look for sections where the slope of the curve is positive (upward) or negative (downward).

Berdasarkan gambar di atas pada interval [C1, J1], pada interval manakah fungsi tersebut monoton naik?

Learn how to identify where a function is monotonically increasing based on its graph. This problem demonstrates how to analyze intervals of increase and decrease on a given curve.

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