With your calculator set to radian mode and polar graphics capability, graph the following function in the window specified.r = 2?, -3? ? ? ? 3?, [-20, 20] by [-20, 20]
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find an equation for the sphere with the given center and radius.Center (0, -5, -2), radius = 3
A. x2 + y2 + z2 + 10y + 4z = -20 B. x2 + y2 + z2 + 10y - 4z = -20 C. x2 + y2 + 3z2 + 10y + 4z = -20 D. x2 + y2 + 3z2 + 10y - 4z = -20
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Mary finds 10 fish at a pet store that she would like to buy, but she can afford only 4 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
A. 151,200; 60,480 B. 5040; 504 C. 2520; 252 D. 210; 84
Mathematics
Use the given zero to find the remaining zeros of the function.f(x) = x4 - 45x2 - 196; zero: -2i
A. 2i, 14, -14 B. 2i, 7, -7 C. 2i, 7i, -7i D. 2i, 14i, -14i
Mathematics