Evaluate the integral.
dx
A. 3
+ 1
B. 
C. x
+ 1 + C
D. 3
+ 1 - 1
Answer: A
Mathematics
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__ghvb0609192137__f1q30g7.jpg" alt="" style="vertical-align: -4.0px;" />
Rwhere R is the trapezoid with vertices at 
A. 
sin 1
B. 
sin 2
C. 
sin 2
D. 
sin 1
Mathematics
If n is an integer, n ? 180° represents an integer multiple of 180°, and 
represents an odd integer multiple of 90°. Decide whether the expression is equal to 0, 1, -1, or is undefined. tan(n ? 180°)
A. 1 B. -1 C. 0 D. Undefined
Mathematics
Solve the equation by completing the square.z2 + 12z + 18 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line containing the pair of points: (-18, -6) and (-20, -15).
a. 
b. 
c. 
d. 
Mathematics