Graph the inequality.x + y < -5
A. 
B. 
C. 
D. 
Answer: C
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x
i + y
j + z
k ; D: the thick cylinder 1 ? x2 + y2 ? 3 , 
A. 
?
B. 
?
C. 
?
D. 208?
Simplify the expression.
÷ 
A. 
B. 
C. z - 4
D. 
Provide an appropriate response.A student wanted to estimate 21.5 × 0.0079 by first rounding each number. He solved the problem as follows.21.5 × 0.0079 is approximately equal to 
which is equal to 0.016. So he estimated the answer as 0.016. Do you agree with the answer? If not, explain where the student went wrong and give the correct answer.
What will be an ideal response?
Solve. Round the answers as indicated.4.8x2 + 12.4x + 1.5 = 0, round to the nearest hundredth
A. -2.46 B. -2.46, -0.13 C. 0.13 + 2.46i, 0.13 - 2.46i D. 0.13, 2.46