Find two square roots for the complex number. Write your answer in standard form.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
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Simplify using the product rule.(-3x6y)(-2x3y5)
A. 6x9y6 B. 6x18y5 C. -5x9y5 D. -6x9y5
Evaluate the integral by making a substitution and then using a table of integrals.
dx
A. (x + 3) tan-1 
- 
+ C
B. 
(x + 3) tan-1 
- 
+ C
C. 
(x + 2) sin-1 
- 
+ C
D. 
(2x + 3) sin-1 
+ 
+ C
Solve the problem.A surveyor standing 64 meters from the base of a building measures the angle of elevation to the top of the building and finds it to be 38°. The surveyor then measures the angle of elevation to the top of the radio tower on the building and finds that it is 47°. How tall is the radio tower? Round your answer to the nearest hundredth of a meter when necessary.
A. 7.4 m B. 6.78 m C. 18.63 m D. 10.14 m
Give the equation of the horizontal asymptote, if any, of the function.h(x) = 
A. y = 0 B. y = 4 C. y = 9 D. no horizontal asymptotes