Write the set in set-builder notation.{7}
A. {x | x is a natural number}
B. {x | x is the natural number 7}
C. {x}
D. {x is a constant}
Answer: B
Mathematics
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Evaluate the integral.Use the formula 
to evaluate the integral. 
A. x sin-1 x + 
+ C
B. x sin-1 x + 
+ C
C. x sin-1 x - 
+ C
D. x sin-1 x + x + C
Mathematics
Evaluate the integral.
A. 5 sin 
x + 10x cos 
x + C
B. 5x sin 
x - 10 cos 
x + C
C. 20 sin 
x - 10x cos 
x + C
D. 10x sin 
x + 20 cos 
x + C
Mathematics
Write a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 
Mathematics
Solve using matrices.6x + 4y = 93x - y = 9
A. 
B. 
C. 
D. 
Mathematics