The derivative of xe^x is e^x + xe^x. This can be found using the product rule of differentiation, which states that the derivative of the product of two functions is the first function times the derivative of the second function plus the second function times the derivative of the first function. Applying this rule to xe^x, we get e^x + xe^x as the derivative. **

Google Maps can still determine your location even when GPS is disabled by using a combination of other technologies such as Wi-Fi and cell tower signals. When GPS is turned off, Google Maps can use Wi-Fi signals from nearby routers and information from cell towers to approximate your location. This is known as "Wi-Fi positioning" or "cell tower triangulation," and it allows Google Maps to provide an estimated location based on the available signals in the area. However, this method may not be as accurate as GPS, but it can still give a general idea of your location. **

As an AI language model, I don't have the capability to draw routes on maps, including Google Maps. However, you can easily draw routes on Google Maps by using the "Directions" feature, which allows you to input your starting point and destination to generate a route. Additionally, you can use the "My Maps" feature on Google Maps to create custom maps with routes and points of interest. **

It is difficult to determine if the Vaillant VK 116 1 XE is defective after the summer break without more specific information on the issues it is experiencing. Common problems that may arise after a long break include clogged filters, airlocks in the system, or issues with the thermostat. It is recommended to have a professional inspect the boiler to identify any potential defects and address them accordingly. **

To calculate the extreme points using the formula xe = b/2a, you first need to determine the values of a and b from the quadratic equation in the form of ax^2 + bx + c. Once you have identified the values of a and b, you can plug them into the formula xe = -b/2a to find the x-coordinate of the extreme point. This x-coordinate represents the axis of symmetry of the parabola. **

To calculate the extreme values using the formula xe b2a, you first need to determine the values of a and b from the given quadratic equation in the form of ax^2 + bx + c. Once you have identified the values of a and b, you can substitute them into the formula xe b2a to find the x-coordinate of the vertex of the parabola. The x-coordinate of the vertex represents the extreme value of the quadratic function. **

To record money in the Sharp XE-A137 cash register, you can follow these steps: 1. Press the "Mode" key to select the "Reg" mode for regular sales transactions. 2. Enter the amount of the sale using the numeric keypad. 3. Press the "Cash" key to finalize the transaction and record the amount of money received. 4. The cash register will then calculate the change due to the customer, if applicable, and open the cash drawer for you to complete the transaction. Following these steps will ensure that the money received from the sale is accurately recorded in the cash register. **

Yes, the location is GPS. GPS, or Global Positioning System, is a satellite-based navigation system that provides location and time information anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. This allows for accurate and precise location tracking and mapping. **