Use the LCD to simplify and solve.
f - 4 = 1
A. {6}
B. {-20}
C. {20}
D. {-6}
Answer: C
Mathematics
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Find the sum of the series by recognizing how it is related to something familiar.
A. 
B. e4x
C. 
D. ln (1 - 4x)2
Mathematics
Solve by substitution and check.x - 2y = -2 y = 3
A. (-8, -3) B. (4, 3) C. (3, 4) D. (-8, 3)
Mathematics
Determine the vertex, focus, and directrix of the parabola and sketch its graph.x2 - 12x = 8y - 68
A. vertex: (6, 4)
focus: (6, 2)
directrix: y = 6
B. vertex: (6, 4)
focus: (4, 4)
directrix: x = 8
C. vertex: (6, 4)
focus: (6, 6)
directrix: y = 2
D. vertex: (6, 4)
focus: (8, 4)
directrix: x = 4
Mathematics
Calculate the limit algebraically.
?
?
A. 0
B. -12
C. ?12
D. ?
E. ?-0.923
Mathematics