Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A.
B.
C.
D.
Answer: D
Mathematics
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Graph the polar equation.r = -2 cos ?
A.
B.
C.
D.
Mathematics
Solve the equation.
?
?
A.
B. ?
C. ?
D. ?
E. none of these
Mathematics
Divide.
A. x3 - 8x2 + 4x - 18 B. x3 + 4x2 - 8x - 18 C. x3 + 2x2 - 9x - 18 D. x3 - 9x2 + 2x - 18
Mathematics
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? -3 B. x ? 0 C. x ? 5 D. x ? -5
Mathematics