Evaluate.cos-1
A. 
B. 0
C. 
D. ?
Answer: D
Mathematics
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Find the total area of the region between the curve and the x-axis.y = (x + 1)
; 1 ? x ? 9
A. 268
B. 644
C. 
D. 
Mathematics
Use an integer to express the number.Mr. Voss decreased his speed by 12 miles per hour.
A. 12 B. -12
Mathematics
Simplify.-|-5|
A. -5
B. - 
C. 10
D. 5
Mathematics
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
A. y1 = 
, y2 = - 
B. y1 = 
, y2 = - 
C. y1 = 
, y2 = - 
D. y1 = 
, y2 = - 
Mathematics