Find the vertex and focus of the parabola.
A. vertex: 
focus: 
B. vertex: 
focus: 
C. vertex: 
focus: 
D. vertex: 
focus: 
E. vertex: 
focus: 
Answer: E
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Indicate whether the statement is true or false.All decimal numbers which do not terminate are irrational numbers.
A. true B. false
Perform the indicated operations.(2x + y - z)2
A. 4x2 + y2 + z2 - 2xyz B. 4x2 + y2 + z2 + 2xy - 2xz - 2yz C. 4x2 + y2 + z2 D. 4x2 + y2 + z2 + 4xy - 4xz - 2yz
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. What is the limiting size of the butterfly population that the habitat will sustain?
A. 4 butterflies B. 960 butterflies C. 90 butterflies D. 480 butterflies
Multiply.(5m)(3m + 1)(3m - 1)
A. 45m3 - m2 B. 45m3 + 5m2 - 5m C. 45m2 - 5 D. 45m3 - 5m