Question: 4. Compose a C++ function named getSpeed that uses a reference parameter variable named speed to accept an integer argument. The function should prompt the

4. Compose a C++ function named getSpeed that uses a reference parameter variable named speed to accept an integer argument. The function should prompt the user to enter a number in the range of 20 through 70. Set the parameter variable to zero if the user enters a number outside the range of 20 through 70. [C++]

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