Differentiate the function.r(t) = (-6t2 + 14)i + 
j
A. r'(t) = (-12t)i + 
j
B. r'(t) = (-12)i + 
j
C. r'(t) = (-12t)i - 
j
D. r'(t) = 
i + (-12t)j
Answer: A
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- 6,where y = 1 represents 2001, and so on. Use the model to predict the sales for 2006 to the nearest tenth of a million.
A. $102.0 million B. $104.0 million C. $103.0 million D. $101.0 million
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) = 
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Find a function that satisfies the given conditions and sketch its graph.
f(x) = 0, 
f(x) = ?,
f(x) = ?
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Determine whether the ordered pair is a solution for the equation.(3.8, 1.4); y = 5x - 17.6
A. Yes B. No