Find the slope of the polar curve at the indicated point.r = 9 sin 4?, ? = 0
A. 1 + 
B. -1
C. 0
D. 
Answer: C
Mathematics
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Write true or false for the following statement.Let A = {3, 5, 7, 9, 11, 13} B = {3, 5, 9, 11} C = {5, 9, 13}{13} ? B
A. True B. False
Mathematics
Write the imaginary numbers using the letter i.
A. -
i
B. 10i
C. ±10
D. -10i
Mathematics
Find the reciprocal.7
A. 1
B. 
C. 
D. 7
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + 3xy + y2 = 4 x2 - 3xy - y2 = 4
A. {(2, 0), (-2, 0)} B. {(0, 2), (0, -2), (2, -6), (-2, 6)} C. {(2, -6), (-2, 6)} D. {(2, 0), (-2, 0), (2, -6), (-2, 6)}
Mathematics