Find all numbers that must be excluded from the domain of the rational expression.
A. x ? 0
B. x ? -8
C. x ? 8
D. x ? -7
Answer: B
Mathematics
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Use division to express the fraction in the form quotient + 
.
A. 3 + 
B. 3 + 
C. 7 + 
D. 3x + 
Mathematics
Evaluate the indicated function for 
and 
.
?
?
A. 12
B. -10
C. 7
D. 14
E. 10
Mathematics
Solve.x3 - 2x2 < 19x - 20
A. (-?, -4) ? (1, 5) B. (-4 , 1) ? (5, ?) C. (-?, 1) ? (5, ?) D. (-?, 1)
Mathematics
Find the polar coordinates of the point. Express the angle in degrees and then in radians, using the smallest possible positive angle.(5, 5)
A. (5
, 315°), 
B. (5
, 135°), 
C. (5
, 45°), 
D. (5
, 225°), 
Mathematics