https://file.aiquickdraw.com/mathbot/file/1728990453511spaghaop.jpg

Let's analyze the contents of the image and answer your question based on it.

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### **Explanation of the Table and Graph:**
The table and graph describe **demand for pencils** at different price points. Additionally, it shows how demand shifts under certain conditions. Here’s the breakdown:

1. **First Table - Price vs Demand:**
   - **Price of Pencil (Harga Pensil)** vs **Quantity Demanded (Permintaan):**
     - Rp 2,000 → 20 units
     - Rp 4,000 → 15 units
     - Rp 6,000 → 10 units
     - Rp 8,000 → 5 units

   The **graph on the right** plots these points, with price (P) on the vertical axis and quantity (Q) on the horizontal axis. As expected in a normal demand curve, when price increases, demand decreases.

2. **Second Table - Changes in Demand:**
   The second table shows **fluctuations in demand**:
   - **Harga Pensil** (Price of pencil)
   - **Jumlah Awal yg Diminta** (Initial Quantity Demanded)
   - **Peningkatan Permintaan** (Increase in Demand)
   - **Penurunan Permintaan** (Decrease in Demand)

   For each price level, demand can either **increase** or **decrease**. Below is the summarized dataLet's analyze the contents of the image and answer your question based on it.

---

### **Explanation of the Table and Graph:**
The table and graph describe **demand for pencils** at different price points. Additionally, it shows how demand shifts under certain conditions. Here’s the breakdown:

1. **First Table - Price vs Demand:**
   - **Price of Pencil (Harga Pensil)** vs **Quantity Demanded (Permintaan):**
     - Rp 2,000 → 20 units
     - Rp 4,000 → 15 units
     - Rp 6,000 → 10 units
     - Rp 8,000 → 5 units

   The **graph on the right** plots these points, with price (P) on the vertical axis and quantity (Q) on the horizontal axis. As expected in a normal demand curve, when price increases, demand decreases.

2. **Second Table - Changes in Demand:**
   The second table shows **fluctuations in demand**:
   - **Harga Pensil** (Price of pencil)
   - **Jumlah Awal yg Diminta** (Initial Quantity Demanded)
   - **Peningkatan Permintaan** (Increase in Demand)
   - **Penurunan Permintaan** (Decrease in Demand)

   For each price level, demand can either **increase** or **decrease**. Below is the summarized 

   | **Price** | **Initial Demand** | **Increase** | **Decrease** |
   |-----------|--------------------|--------------|--------------|
   | Rp 2,000  | 20                 | 25           | 15           |
   | Rp 4,000  | 15                 | 20           | 10           |
   | Rp 6,000  | 10                 | 15           | 5            |
   | Rp 8,000  | 5                  | 10           | 0            |

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### **How to Answer Questions Based on the Image:**
1. **Graph Interpretation**: The demand curve follows a downward trend—higher prices reduce demand.
2. **Changes in Demand**: The second table captures possible **increases or decreases in demand** depending on shifts in consumer preferences or external factors.

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### Possible Questions:
1. **How would the demand curve shift if prices increase or decrease further?**
2. **What factors might cause the increase or decrease in demand shown in the second table?**
3. **How do external factors (like consumer preferences) influence the shifts in demand?**
4. **Can you calculate the elasticity of demand between any two price points?**
5. **How would total revenue change if the price shifted from Rp 4,000 to Rp 2,000?**

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**Tip:** To calculate **price elasticity of demand**, use the formula:  
\[
E_d = \frac{\%\ \text{Change in Quantity Demanded}}{\%\ \text{Change in Price}}
\]  
This helps measure how responsive demand is to price changes.

Analyze how changes in pencil prices affect demand, with a detailed breakdown of price points from Rp 2,000 to Rp 8,000. Learn about demand fluctuations and apply the price elasticity formula to understand shifts in consumer behavior. Suitable for students in Grades 10-12.

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