Find the exact value of x.sin-1 x = - tan-1 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Mathematics
Solve the problem.If a circle of radius 2 is made to roll along the x-axis, what is the equation for the path of the center of the circle?
A. y = 2 B. y = 4 C. x = 2 D. y = 0
Mathematics
Find the domain of the function.f(x) = log5(81 - x2)
A. (-81, 81) B. (-9, 9) C. [-9, 9] D. (-?, -9) ? (9, ?)
Mathematics
Find an equation of variation for the given situation.y varies inversely as x and y = 5.25 when x = 0.44
A. y = 11.93x
B. y = 
C. y = 
D. y = 
Mathematics