Perform the division.
A. x2 - 4
B. x2 + 4x - 21
C. x + 4
D. x - 4
Answer: D
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
+ C
B. ln 
+ C
C. ln 
+ C
D. ln 
+ C
Mathematics
Solve the problem.If 3 times a number is added to -7, the result is 10 times the number. Find the number.
A. 1 B. 6 C. -6 D. -1
Mathematics
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 2)2 = 20(x + 1)
A. vertex: (1, -2) focus: (6, -2) directrix: x = -4 B. vertex: (-1, 2) focus: (4, 2) directrix: x = -6 C. vertex: (2, -1) focus: (7, -1) directrix: x = -3 D. vertex: (-1, 2) focus: (-6, 2) directrix: x = 4
Mathematics
Divide.
A. 
- 
B. 
- 8x
C. 9x3 - 
D. 
- 
Mathematics