Round each number to the nearest hundred to estimate the sum or difference.568 - 121
A. 700
B. 400
C. 447
D. 500
Answer: D
Mathematics
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Evaluate the integral.
A. 
ln 
+ C
B. 
ln 
+ C
C. 
ln 
+ C
D. 
ln 
+ C
Mathematics
Plot the point whose polar coordinates are given.(-2, ?/2)
A. 
B. 
C. 
D. 
Mathematics
Choose the best answer.The volume of a freezer above a refrigerator is about
A. 0.49 cm3 B. 0.49 m3 C. 0.49 km3 D. 0.49 mm3
Mathematics
Find the domain and range of the function.f(x) = -7 cot2 x
A. Domain: x ? n?, for all integers n; range [0, ?)
B. Domain: x ? 
+ n?, for all integers n; range [0, ?)
C. Domain: x ? n?, for all integers n; range (-?, 0]
D. Domain: x ? 
+ n?, for all integers n; range (-?, ?)
Mathematics