Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -2i + 3j + 4k
A. ? = 113°, ? = 55°, ? = 40°
B. ? = 115°, ? = 51°, ? = 33°
C. ? = 119°, ? = 43°, ? = 14°
D. ? = 112°, ? = 56°, ? = 42°
Answer: D
Mathematics
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Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
3d
A. 
B. 
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Convert the numeral to a numeral in base 10.100112
A. 20,022 B. 6 C. 38 D. 19
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Identify the intervals on which the given function is increasing, decreasing, or constant.
A. inc (5, ?) dec (-?, 0), (0, 5) B. inc (-3, 0) dec (-?, -3) const (0, ?) C. inc (-?, -3), (0, 5) dec (-3, 0) , (5, ?) D. inc (-3, 0), (5, ?) dec (-?, -3), (0, 5)
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Find the equation of the tangent line to the curve when x has the given value.f(x) = x2 + 11x - 15 ; x = 1
A. y = 13x - 16
B. y = - 
+ 
C. y = -39x - 80
D. y = 
+ 
Mathematics