Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Answers will vary. One possibility is Path 1: x = 0, y = t ; Path 2: x = - t2, y = t
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Determine convergence or divergence of the series.
A. Diverges B. Converges
The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
When is the body's acceleration equal to zero?
A. 0 < t < 2, 6 < t < 7 B. 2 < t < 3, 5 < t < 6 C. t = 2, t = 3, t = 5, t = 6 D. t = 0, t = 4, t = 7
Solve the problem.The following table shows the population (in thousands) of Anytown, USA. YEAR POPULATION 1950 120 1960 100 1970 90 1980 105 1990 130 2000 160Use a graphing calculator to fit a quadratic function f(x) to the data. Use this equation to predict the population in the year 2010.
A. 190,000 B. 2,093,000 C. 213,000 D. 195,000
Solve the problem.A building contractor finds that 
can of pipe joint compound is needed to plumb each new home. How many homes can be plumbed with 24 cans of compound?
A. 60 homes
B. 24 homes
C. 30 homes
D. 9
homes