Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
+ 
i
A. 
B. 
C. 
+ 
i
D. 
- 
i
Answer: B
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Find the flux of the vector field F across the surface S in the indicated direction.F = xi + yj + z3k; S is portion of the cone z = 2
between z = 2 and z = 4; direction is outward
A. 
?
B. - 
C. - 
?
D. 
?
Decide whether the statement is true or false.sin 86° > sin 24°
A. True B. False
Solve the problem.Suppose that the daily cost C of manufacturing x bicycles is given by 
Then the average daily cost 
is given by 
How many bicycles must be produced each day in order for the average cost to be no more than 
A. at most 190 bicycles B. at least 19 bicycles C. at least 190 bicycles D. at least 1900 bicycles
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = 
x2 - 2x - 
A. Maximum: - 3
B. Minimum: 
C. Minimum: - 
D. Maximum: 0