Find projwv.v = 
, w = 
A. 
B. 
C. 
D. 
Answer: C
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Find the indicated derivative for the given vector-valued function .Find Dtr(t) for r(t) = (t3)i - (csc t)j + 19k.
A. Dtr(t) = (3t2)i + (csc t cot t)j B. Dtr(t) = (3t2)i + (csc t cot t)k C. Dtr(t) = (3t2)i + (cot2 t)j D. Dtr(t) = (3t2)i - (csc t cot t)j
Solve.log2 x = -3
A. 
B. -1
C. 
D. -6
The table shown was generated by a graphics calculator. The expression y1 represents f(x).
Write the function in the form y = mx + b.
A. y = -2x + 3 B. y = 2x + 3 C. y = -2x - 3 D. y = 2x - 3
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = 16(x + 3)
A. vertex: (-3, -1) focus: (-7, -1) directrix: x = 1 B. vertex: (3, 1) focus: (7, 1) directrix: x = -1 C. vertex: (-3, -1) focus: (1, -1) directrix: x = -7 D. vertex: (-1, -3) focus: (3, -3) directrix: x = -5