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Whats the x and y of a quadratic function like this, X^2-5x, how do you solve for it? Domain and range? An rc circuit has a resistancs of 2k ohms and a capacitance of .01592 microfarad. the frequency is 5khz. what is the phase angle? If you and your 3rd cousin do a DNA test could the doctors tell you are related? Or is there not enough DNA for them to determine that? Please explain the correct answer. Please help me understand? Find the difference between E5. and 3.5E?