The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = ln(t3 - 5t2 + 5)i - 
j - 3cos(t)k
A. v(0) = 
i - 
j + 3k
B. v(0) = 
i - 
j
C. v(0) = - 
j
D. v(0) = 
j
Answer: C
Mathematics
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Solve using the multiplication principle.- 
k = - 4
A. 1 B. 6 C. -2 D. 0
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Identify the coefficient of each term of the polynomial.-2s
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Graph the quadratic function using its properties. Based on the graph determine the domain and range of the quadratic function.f(x) = -x2 - 4x
A. domain: {x|-? < x < ?}
range: {y|y ? -4}
B. domain: {x|-? < x < ?}
range: {y|y ? -4}
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range: {y|y ? 4}
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range: {y|y ? 4}
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