Find the length of the curve with the given vector equation.r(t) = 4
t3/2i + (6t sin t)j + (6t cos t)k ; -4 ? t ? 7
A. 213
B. 408
C. 165
D. 264
Answer: C
Mathematics
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A. 0
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What will be an ideal response?
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By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. tan ? = sec ? sin ?
A. No B. Yes
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Simplify the expression.[25 - (4 + 6) ÷ 2] - [1 + 21 ÷ 3]
A. 7 B. 19 C. 12 D. 9
Mathematics