Use the zero-product property to find all complex solutions of the equation.4x3 + 4x = 0
A. {±i}
B. {0, ±i}
C. {0, ±1}
D. {-4, ±i}
Answer: B
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = 5 tanh-1 (cos x)
A. ln 
sin x
B. 
C. 
D. 
Mathematics
Round the decimal to the given place value.24.5, nearest one
A. 25 B. 26 C. 24 D. 24.5
Mathematics
Decide whether the ordered pair is a solution of the system of equations.
; (6, -5)
A. Yes B. No
Mathematics
Calculate the area of the region bounded by the graphs of the given equations.x = 2y2 - 2, x = y2 + 7
A. 
B. 12
C. 27
D. 36
Mathematics