For the given parabola, use the discriminant to determine the number of x-intercepts.y = x2 + 2x + 4

A. one x-intercept
B. two x-intercepts
C. no x-intercepts

Answer: C

Mathematics

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A drug is carried into an organ of volume cm3 by a liquid that enters the organ at the rate of a cm3/sec and leaves it at the rate of b cm3/sec. The concentration of the drug in the liquid entering the organ is c g/cm3. If the concentration of the drug in the organ at time is increasing at the rate of

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?g/cm3/sec, and the concentration of the drug in the organ initially is g/cm3, show that the concentration of the drug in the organ at time is given by
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What will be an ideal response?