Determine whether the first literal expression is equal to the second literal expression.a + b, b - (-a)
A. Yes
B. No
Answer: A
Mathematics
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If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.f = {(5, 5), (-5, -5), (8, 1), (-8, -1)}
A. f-1 = {(5, 5), (-5, -5), (1, 8), (-1, -8)} B. f-1 = {(-1, 8), (-5, -5), (5, -5), (1, -8)} C. not one-to-one D. f-1 = {(-1, 8), (8, -5), (5, 5), (1, -8)}
Mathematics
Evaluate the integral by changing the order of integration in an appropriate way.
A. 
B. 
C. 3
D. 3
Mathematics
Solve the equation by completing the square.x2 + 4x = 9
A. {-2 - 2
, -2 + 2
}
B. { 2 + 
}
C. {-2 - 
, -2 + 
}
D. {-1 - 
, -1 + 
}
Mathematics
Solve.If Alison's company charged $396.10 for 10 hours of work, what rate did the company charge in dollars per hour?
A. $49.61/hr B. $44.01/hr C. $39.61/hr D. $10.00/hr
Mathematics