Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = zk , S is the surface of the sphere x2 + y2 + z2 = 16 in the first octant , direction away from the origin
A. 0
B. 
?
C. 
?
D. 16?
Answer: B
Mathematics
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Find a logistic function that describes the population. Graph the population function.The population increases from 80 to 100 in the first month and eventually levels off at 240.
A. P = 
B. P = 
C. P = 
D. P = 
Mathematics
Solve the equation by using the square root property. Simplify all radicals.(r + 5)2 = 13
A. {8}
B. {-5 ± 
}
C. {5 ± 
}
D. {±
}
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.-31
+ 10
A. - 20
B. 20
C. 20
D. - 20
Mathematics
Divide. Leave your answer in trigonometric form.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. 
Mathematics