Graph the polar equation.r = - 1 - sin ?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
-2
A. 
B. 
C. 
D. 
Mathematics
Solve.There are n people in a room. The number N of possible handshakes by all the people in the room is given by the function N(n) = 
. For what number n of people is 28 ? N ? 190 ?
A. {n|9 ? n ? 19} B. {n|7 ? n ? 22} C. {n|8 ? n ? 20} D. {n|10 ? n ? 19}
Mathematics
Solve and write interval notation for the solution set.?9x - 6? ? 1
A. 
? [1, ?)
B. 
? 
C. 
D. 
Mathematics
Find a, b, and h so that f(x) ? a sin (b(x - h)). Round to two decimal places if necessary.f(x) = 5 cos x + 2 sin x
A. a = 5.39, b = 1, h = -1.19 B. a = 7.00, b = 2, h = -0.79 C. a = 5.39, b = 2, h = 1.19 D. a = 1.19, b = 1, h = 5.39
Mathematics