Establish the identity.
+ 
= 2 sec t
What will be an ideal response?
+ 
= 
= 
= 
= 2 sec t.
Mathematics
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Solve the quadratic equation by completing the square.x2 - 8x = -15
A. 12, 3
B. 5, 3
C. -5, -3
D. ±
Mathematics
Solve the problem.Suppose that the function y = f(x) is increasing on the interval (7, 8). Over what interval is the graph of 
increasing?
A. (28 , 32) B. (7, 8) C. (11, 12) D. (3, 4)
Mathematics
Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.6, 
, 
, 
, . . .
A. yes, 
B. yes, 
C. yes, 
D. no
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 5
C. 
D. 5
Mathematics