Complete the identity.Complete the reciprocal identity: 
= 
A. csc ? = 
B. cos ? = 
C. tan ? = 
D. sec ? = 
Answer: C
Mathematics
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Multiply the rational expressions.
? 
A. 
B. y - 2
C. 
D. 
Mathematics
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = -x2 - 4x - 7
A. maximum at (- 2, - 3) B. maximum at (3, 2) C. minimum at (0, 2) D. minimum at (3, 0)
Mathematics
Find an approximation of the area of the region R under the graph of the function f on the interval [a, b]. Use n subintervals and choose the representative points as indicated.
?
; [1, 3]; 
; right end points
?
A. 6.06 sq units; B. 5.57 sq units; C. 5.2 sq units; D. 5.7 sq units;
Mathematics
Reduce the rational expression to lowest terms.
A. 
B. 
C. y2 + 4y + 16
D. y2 - 16
Mathematics