Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. - 
C. - 
D. 
Answer: C
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Determine all critical points for the function.y = 2x2 - 64
A. x = 0 and x = 4 B. x = 0, x = 4, and x = -4 C. x = 4 D. x = 0
Use divisions to convert the base ten numeral to a numeral in the given base. 532 to base nine
A. 648nine B. 561nine C. 651nine D. 551nine
Let 
and compute the Riemann sum of f over the interval 
, using
?
Two subintervals of equal length (
).
?
Five subintervals of equal length (
).
?
Ten subintervals of equal length (
).
?
In each case, choose the representative points to be the right end points of the subintervals. Round your answer to two decimal places.
?
A. 213.75 sq units; 182.47 sq units; 190.08 sq units;
B. 213.75 sq units; 190.08 sq units; 182.47 sq units;
C. 182.47 sq units; 190.08 sq units; 213.75 sq units;
D. 190.08 sq units; 182.47 sq units; 213.75 sq units;
Perform the indicated operation and express in lowest terms.
÷ 
A. 
B. 
C. 
D. 