The polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
Answer: D
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Choose the point on the terminal side of ?.? = 
A. (- 
, 1)
B. (1, -1)
C. (-1, -1)
D. (-1, 1)
Give the range for the function if the domain is {-2, -1, 0, 1, 2}.3x + y = 11
A. {-5, -8, -11, -14, -17} B. {-5, -7, -9, -11, -13} C. {17, 14, 11, 8, 5} D. {13, 11, 9, 7, 5}
Select the graph of the equation as a circle, a parabola, an ellipse, or a hyperbola.
?
?
A. Parabola B. Circle C. Hyperbola D. Ellipse E. None of the above
Translate the problem to a system of equations, then solve using matrices.A $42,000 trust is to be invested in bonds paying 7%, CDs paying 5%, and mortgages paying 9%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $3160 annual income from the investments, how much should the bank invest in bonds?
A. $10,000 B. $21,000 C. $11,000 D. $9,000