Find 
if 
.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Identify a technique of integration for evaluating the integral. If necessary, explain how to first simplify the integrand before applying the suggested technique of integration. You do not need to evaluate the integral.
A. Integrate by parts with u = 3x, dv = cos 2x dx B. Substitute, letting u = cos 2x C. Integrate by parts with u = cos 2x, dv = 3x dx D. Substitute, letting u = 2x
Mathematics
Find the limit.
ln (z
)
A. ln 2
B. ln 4
C. ln 
D. 0
Mathematics
Use a calculator to approximate the square root. Round to three decimal places.
A. 70.000 B. 8.364 C. 8.367 D. 8.372
Mathematics
Suppose the triangles shown are similar with angle A = angle D, angle B = angle E, and angle C = angle F. Answer the question.
What is the value of x?
A. 22 B. 9 C. 28 D. 50
Mathematics