Write an equation that expresses the relationship. Use k as the constant of variation.r varies inversely as t.
A. kr = t
B. r = kt
C. r = 
D. r = 
Answer: D
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Solve the triangle.A = 10°, B = 20°, a = 3
A. C = 150°, b = 6.91, c = 8.64 B. C = 150°, b = 8.64, c = 4.91 C. C = 150°, b = 5.91, c = 8.64 D. C = 150°, b = 8.64, c = 5.91
Find the center (h, k) and radius r of the circle with the given equation. (x - 4)2 + (y - 1)2 = 36
A. (h, k) = (4, 1); r = 6 B. (h, k) = (1, 4); r = 6 C. (h, k) = (4, 1); r = 36 D. (h, k) = (1, 4); r = 36
Graph the function.y = 
csc 
A. 
B. 
C. 
D. 
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (1, 3); Decreasing on (-2, 0) and (3, 5); Constant on (2, 5)
B. Increasing on (-1, 0) and (3, 5); Decreasing on (0, 3); Constant on (-5, -3)
C. Increasing on (-2, 0) and (3, 4); Decreasing on (-5, -2) and (1, 3)
D. Increasing on (-2, 0) and (3, 5); Decreasing on (1, 3); Constant on 