Use a graphing utility to obtain the plane curve represented by the given parametric equations.Witch of Agnesi: x = 2 cot t, y= 2 sin2 t, 0 ? t < 2?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.-15 + 20i
A. 25(cos 126.9° + i sin 126.9°) B. 25(cos 233.1° + i sin 233.1°) C. 25(cos 53.1° + i sin 53.1°) D. 25(cos 306.9° + i sin 306.9°)
Mathematics
Determine if the relation is a function.{(1, -6), (1, 9), (6, 6), (8, -9), (12, -3)}
A. not a function B. function
Mathematics
Select the system of inequalities that matches the given graph.
A. y ? x y ? -2x + 2 B. y ? x y ? -2x + 2 C. y ? x y ? -2x + 2 D. y ? x y ? -2x + 2
Mathematics
Simplify.(0.3w)2 (wx5y2) (-4wxy)3
A. -1.2w9x15y6 B. 5.76w5x5y5 C. 5.76w6x8y5 D. -5.76w6x8y5
Mathematics