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I have a problem with the high pressure pump and also the motor (fresh water) water plant that it have high vibration from? Help with Calculus/Function Question? Can some one help me find General biology course ( exams ) ? Discuss a real-life example in which you would need to add, subtract, multiply, or divide fractions or mixed numbers and show the math.? What is the range of this function and how do you find it? The function is f(n) = √(4-n^4)?