Write the indicated event in set notation.When four coins are tossed, the last toss comes up heads.[Hint: when four coins are tossed, the following 16 outcomes are possible:HHHH HHHT HHTH HHTTHTHH HTHT HTTH HTTTTHHH THHT THTH THTTTTHH TTHT TTTH TTTT ]
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.xy + 3 = y, at the point (4, -1)
A. 
= 
; 
= - 
B. 
= - 
; 
= 0
C. 
= 3; 
= - 24
D. 
= 
; 
= 
Mathematics
Determine whether the statement is true or false.If c is a complex number, then 5
= 
A. True B. False
Mathematics
Solve the problem.A constant force F = 18i + 26j moves an object from the point P = (6, 4) to the point Q = (2, 12), where units are in pounds and feet. Find the work done by the force.
A. 228 ft-lb B. 136 ft-lb C. -4 ft-lb D. 4 ft-lb
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 5 + 4i
A. 
= 5 - 4i, z
= 25 - 16i2
B. 
= 5 - 4i, z
= 25 - 16i
C. 
= 5 - 4i, z
= 41
D. 
= 5 - 4i, z
= 9
Mathematics