Factor the trinomial completely.3x4 + 9x3 - 30x2
A. x2(x + 5)(3x - 6)
B. 3(x2 + 5)(x2 - 2)
C. 3x2(x + 5)(x - 2)
D. x2(3x + 15)(x - 2)
Answer: C
Mathematics
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Determine whether or not the set is well defined.{x | x is a four-year college in Utah}
A. Well defined B. Not well defined
Mathematics
Provide an appropriate response.An absolute-value equation may have no solution, one solution, or two solutions. Give examples of each.
What will be an ideal response?
Mathematics
Express the product as a sum containing only sines or cosines.cos(5?) cos(4?)
A. 
[cos(9?) - cos ?]
B. 
[ cos ? + cos(9?)]
C. 
[cos(9?) - sin ?]
D. cos2(20?2)
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
A. 
B. 15
C. 
D. 
Mathematics