Graph the function.y = 
sec 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)Find the number of packages 19 pounds and under.
A. 11 packages B. 2 packages C. 5 packages D. 6 packages
Mathematics
Rationalize the denominator.
A. 
+ 
B. 
- 
C. 
D. 
- 
Mathematics
Find the standard-form equation of the hyperbola whose graph is shown.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Graph the ellipse. Give the coordinates of the center, as well as the values of a and b.
+ (y - 1)2 = 1
A. center (-2, 1), a = 4, b = 1
B. center (-2, 1), a = 1, b = 4
C. center (-2, 1), a = 1, b = 4
D. center (-2, 1), a = 4, b = 1
Mathematics