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Children learn object permanence in the ______________ stage of Piaget’s theory of cognitive development.

Which cells of antibody mediated immunity are primarily programmed to remember the antigen after initial exposure and respond rapidly during subsequent exposures?

Find the length of the curve.y = 2×3/2 from x = 0 to x = 

Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = x + 2, y = 0, x = -2, x = 2

Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = x2, y = 4, x = 0

Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = x3, on the right by the line , and below by the x-axis

Find the length of the curve.x = (y – 1) 3/2 from y = 9 to y = 16

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = x2 – 4, y = 3x, x = 0, for x ≥ 0

You are a ride-share driver in New York who earns $250 for a day’s work. You have been offered a one-day ticket to the U.S. Open (also in New York) for $100. As a tennis fan, you value the experience at $300.  Heading to the U.S. Open means missing a day of work. 1.  Should you go to U.S. Open?  Explain using a cost benefit approach in decision-making from module #1 2.  In your own example in your discussion post, how did you value your benefits (enjoyment) in dollar terms?  3. In general, give two reasons why it is challenging to apply cost/benefits to decision-making *For the question,  you will want to define and use correctly the terms  marginal cost, marginal benefit, and opportunity cost.  

Which of the following is a correct definition of dynamic pricing?