Graph the curve described by the function, indicating the positive orientation.r(t) = 2cos t i + 3j + 2 sin t k, for 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (2, 0), and (0, 5)
A. 0 B. 20 C. 10 D. 50
Mathematics
Solve the problem.A building has an entry the shape of a parabolic arch 46 ft high and 36 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system. 
A. y2 = -28.2x B. y2 = -7x C. x2 = -28.2y D. x2 = -7y
Mathematics
Find the zero of the linear function.f(x) = 8x - 48
A. -40 B. 40 C. 6 D. -6
Mathematics