Use a trigonometric substitution to evaluate the integral.
A. 6sec-1 x + C
B. 
sin-1 
+ C
C. sin-1 
+ C
D. 
sec-1
+ C
Answer: D
Mathematics
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For the given parabola, use the discriminant to determine the number of x-intercepts.y = -x2 + 7x - 5
A. one x-intercept B. no x-intercepts C. two x-intercepts
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Write in radical form. Assume all variables represent positive real numbers.(2m + 7n) 4/5
A. 
B. 
C. 
D. 
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What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
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Write sigma notation.1 - 
+ 
- 
+ 
- . . .
A. 
B. 
C. 
D. 
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