For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t2 - 9)i + (2t - 7)j + 8k; osculating plane at t = 8.
A. z = -8
B. z = 8
C. x + y + (z + 8) = 0
D. x + y + (z - 8) = 0
Answer: B
Mathematics
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A. 4 B. p3 C. 4p3 D. 4p
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Use a graphing calculator to solve the linear equation.The graph of y1 is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation y1 = 0?
-90, - 
, 
,85
A. 
B. - 
C. 85
D. -90
Mathematics
Write out the terms of the series.
A. x + 2x2 + 3x3 + 4x4 + 5x5 B. x + 2x2 + 3x3 + 4x4 + 5x5 + . . . C. x + x2 + x3 + x4 + x5 D. 1 + 2x2 + 3x3 + 4x4 + 5x5
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Add.
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Mathematics