Estimate the sum or difference by rounding each number to the nearest hundred.
A. 700
B. 600
C. 631
D. 900
Answer: A
Mathematics
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Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function.
?
?
A. 
; saddle point: 
B. 
; relative maximum value: 
C. 
; relative minimum value: 
Mathematics
Perform the indicated operation. If the fraction is undefined, say so.
A. 45
B. 
C. 44
D. undefined
Mathematics
Write the series using summation notation.1 + 
+ 
+ 
+ 
A. 
B. 
)
C. 
)
D. 
)
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics