Simplify the radical expression. Indicate if the expression is not a real number.
A. 
B. 2
C. 
D. 
Answer: C
Mathematics
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Evaluate the integral.
A. - 
tan3 x + C
B. 2 tan x + 
tan3 x + C
C. 
tan3 x + C
D. 2(sec x + tan x)5+ C
Mathematics
Solve the inequality algebraically. Express the solution in interval notation.(x - 2)2(x + 5) < 0
A. (-?, -5) or (5, ?) B. (-5, ?) C. (-?, -5) D. (-?, -5]
Mathematics
Rewrite 
as a product.
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.The graph shows the yearly average interest rates for 30-year mortgages for years since 1998 (Year 0 corresponds to 1998). Sketch a graph of the rate of change of interest rates with respect to time.
A. 
B. 
C. 
D. 
Mathematics