Find the mass of the wire that lies along the curve r and has density ?.C1: r(t) = (5 cos t)i + (5 sin t)j, 0 ? t ? ;C2: r(t) = 5j + tk, 0 ? t ? 1; ? = 7t5

A.  units
B.  units
C. ?5 units
D. ?5 units


Answer: A

Mathematics

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Calculate the Taylor polynomial of second order that approximates f(x, y) near a.f(x, y) = , a = (2, 2)

A. 2 - (x - 2) +  (y - 2) + (x - 2)2 - (x - 2)(y - 2) - (y - 2)2
B. 1 + (x - 2) +  (y - 2) + (x - 2)2 + (x - 2)(y - 2) - (y - 2)2
C. 1 - (x - 2) +  (y - 2) + (x - 2)2 - (x - 2)(y - 2) - (y - 2)2
D. 1 - (x - 2) - (y - 2) + (x - 2)2 - (x - 2)(y - 2) - (y - 2)2

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Determine whether or not the first number is divisible by the second number652,523; 5

A. No B. Yes

Mathematics

Provide an appropriate response.Fill in the blank to complete the statement. Each number in a matrix is called  of the matrix.

A. an expansion B. a determinant C. a minor D. an element

Mathematics

Find the domain and the range of the relation.{(6, 1), (6, -6), (6, -1)}

A. domain: {6} ; range: {-6, -1, 1, 6} B. domain: {1, 6} ; range: {-6, -1} C. domain: {-6, -1, 1} ; range: {6} D. domain: {6} ; range: {-6, -1, 1}

Mathematics