Calculate the arc length of the indicated portion of the curve r(t).r(t) = 
t3/2i + (7t sin t)j + (7t cos t)k ; -4 ? t ? 5
A. 294
B. 150.5
C. 94.5
D. 126
Answer: C
Mathematics
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Find the limit or state that it does not exist.
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A. 1 B. 6 C. 0 D. Does not exist
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Graph the function. Give the domain and range.f(x) = log2 x + 4
A. domain: (-4, ?); range: (-?, 0)
B. domain: (-?, 0); range: (-?, ?)
C. domain: (0, ?); range: (-?, ?)
D. domain: (-?, ?); range: (4, ?)
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Graph the function.f(x) = -|x + 5| + 1
A. 
B. 
C. 
D. 
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Graph the parabola with the given equation.(y - 2)2 = -6(x - 1) 
A. 
B. 
C. 
D. 
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