Make a sign diagram for the function and determine allx-values at which relative minima occur.
?
A. 
B. 
C. 
D. 
E. no relative minima
Answer: C
Mathematics
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Write a system of inequalities whose solution set is the region shown.
A. y ? 0 x2 + y2 ? 16 B. y ? 0 x2 + y2 ? 16 C. y ? 0 x2 + y2 ? 16 D. y ? 0 x2 + y2 ? 16
Mathematics
Write as a sum or difference of logarithms. Your results should not contain any exponents or radicals.log 3 
A. 6 log 3 x + 3 log 3 y - log 3 z - 
log 3 w
B. 18 log 3 xy - 
log 3 wz
C. 9 log 3 xy - 
log 3 wz
D. log 3 x6 + log 3 y3 - log 3 z - log 3 w2/5
Mathematics
Simplify. Assume that the variables are positive.
Mathematics
Simplify.4 + 6 ? 5 - 17
A. 33 B. -68 C. 17 D. 0
Mathematics