Based on the graph, find the range of y = f(x).f(x) = 
A. (-10, 10)
B. (-?, ?)
C. (-?, 0) or (0, ?)
D. (-?, 0) or {0} or (0, ?)
Answer: C
Mathematics
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.12 + 16i
A. 20(cos 306.9° + i sin 306.9°) B. 20(cos 126.9° + i sin 126.9°) C. 20(cos 53.1° + i sin 53.1°) D. 20(cos 233.1° + i sin 233.1°)
Mathematics
Establish the identity.tan
= 
What will be an ideal response?
Mathematics
Solve the equation.-75 = 5q
A. -15 B. 80 C. 1 D. -80
Mathematics
Solve the problem.If a ball is thrown upward at 19.6 meters per second from the top of a building that is 70 meters high, the height of the ball can be modeled by 
meters, where t is the number of seconds after the ball is thrown. What is the ball's maximum height?
A. 70 m B. 128.8 m C. 84.7 m D. 89.6 m
Mathematics