Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. x3 + 3x2 - 4x - 12 = 0
A. {-2}
B. {-3}
C. {-3, -2, 2}
D. {-2, 2, 3}
Answer: C
Mathematics
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In a bandpass filter, the lower cut-off frequency, fr, is best described by:
a. CN ÄÄÄÄ 2ãC2 b. ÚÄÄÄÄÄÄÄ ûf1 ú f2 c. 1 ÄÄÄÄÄÄÄ 2ãRTHC1
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Without graphing the function, determine its amplitude or period as requested.y = 5 cos 
xFind the amplitude.
A. 5
B. 6?
C. 
D. 
Mathematics
Translate to an algebraic expression.8 times a number divided by k
A. 
B. 
C. 
D. 
Mathematics
Find all solutions of the equation in the complex number system.x2 + 36 = 0
A. {6, -6} B. {18} C. {6} D. {6i, -6i}
Mathematics