Use the vertical-line test to determine whether the graph represents a function.
A. Yes
B. No
Answer: A
Mathematics
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Evaluate the integral using the given substitution.
dx , u = - 
A. - 
+ 
sin 
+ C
B. - 
+ sin3 
+ C
C. - 
+ 
sin 
+ C
D. 
+ 
sin 
+ C
Mathematics
Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.cos2 x - 1 = 0
A. {2n?}
B. 
C. {n?}
D. 
Mathematics
Graph the complex number.1 + i
A. 
B. 
C. 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics