Verify that each equation is an identity.sec ? + tan ? = 
What will be an ideal response?
sec ? + tan ? = 
+ 
= 
= 
? 
= 
= 
= 
Mathematics
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Evaluate the integral.
A. 
ln 
B. ln 
C. 
ln 
D. e6/5
Mathematics
Solve the problem.Assume that the profit generated by a product is given by 
where x is the number of units sold. If the profit keeps changing at a rate of 
per month, then how fast are the sales changing when the number of units sold is 1400? (Round your answer to the nearest dollar per month.)
A. $112,250/month B. $3/month C. $4490/month D. $2245/month
Mathematics
Without graphing, find the vertex.f(x) = -(x + 4)2 - 3
A. (-4, -3) B. (4, -3) C. (4, 3) D. (-4, 3)
Mathematics
Provide an appropriate response.Which of the following is a root of 2x2 - 3x - 1 = 0?
A. 
B. 
C. 
D. 
E. 
Mathematics