Determine whether the function is invertible. If it is, find the inverse.{(6, 6), (6, 7), (4, 8), (2, 9)}
A. {(7, 6), (9, 4), (6, 4), (8, 8)}
B. {(7, 6), (6, 4), (6, 6), (8, 8)}
C. {(6, 6), (7, 6), (8, 4), (9, 2)}
D. Not invertible
Answer: C
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Perform the indicated operation.
A. 8x4 + 9x3 + 6
B. 8x4 + 9x + 6x2
C. 8x2 + 9x + 6
D. 4x4 + 
x3 + 3
Find the missing parts of the triangle. A = 10.5°a = 149 ftb = 176 ftIf necessary, round angles to the nearest tenth and side lengths to the nearest foot.
A. B1 = 157.1°, C1 = 12.4°, c1 = 318 ft B2 = 1.9°, C2 = 167.6°, c2 = 27 ft B. B = 12.4°, C = 157.1°, c = 318 ft C. no such triangle D. B1 = 12.4°, C1 = 157.1°, c1 = 318 ft B2 = 167.6°, C2 = 1.9°, c2 = 27 ft
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(2, 5); slope: -3
A. y = -3x - 11
B. y = - 
x + 11
C. y = -3x + 11
D. y = -3x + 
Use a power-reducing identity to find the exact value of the expression.csc2 (-157.5°)
A. 
B. 4 + 2
C. 8 + 4
D. 4