Convert the polar equation to rectangular coordinates. r + cos? = 4
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Solve the problem.If v = -3i + 3j + k, find a vector perpendicular to both v and i + j.
A. -5i + 5j - 6k B. -i + j - 6k C. i + j - 6k D. i - j + 4k
Find an antiderivative of the given function.x8 - 
A. 
- 
B. 
- 
C. 8x7 + 
D. 
+ 
List all equally likely outcomes in the sample space for the indicated experiment.The aces are separated from a deck of standard playing cards and shuffled. Two are randomly selected. Use "C" for clubs, "D" for diamonds, "H" for hearts, and "S" for spades.
A. {(C, D), (C, H), (C, S), (D, H), (D, S), (H, S)} B. {(C, D, H, S)} C. {(C, D), (C, H), (C, S), (D, C), (D, H), (D, S), (H, C), (H, D), (H, S), (S, C), (S, D), (S, H)} D. {(4, 4)}
Solve the problem.Use the graph of the function f to find
f(x).
A. ? B. does not exist C. -? D. -2