Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
A. {1}
B. {0, 2, 3, 4, 5, 6, 7, 8, 9}
C. {1, 2, 3, 4, 5, 6, 7, 8, 9}
D. {1, 2, 3, 4, 5, 7, 8, 9}
Answer: B
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Solve the problem.In a certain coastal basin, the sea water contains 3.2 grams of salt per 1000 milliliters of water. How many grams of salt would be in 5 liters of the sea water?
A. 0.16 grams B. 1600 grams C. 160 grams D. 16 grams
Find the foci of the ellipse.36(x + 1)2 + 16(y - 1)2 = 576
A. (-1, 7), (-1, -5)
B. (-1- 2
, 1), (-1+ 2
, 1)
C. (-1, 1 - 2
), (-1, 1 + 2
)
D. (1, -1 - 2
), (1, -1 + 2
)
If an argument reads
If ?ABC is an equilateral triangle with perimeter 3s units then each edge of ABC is s units long.
If each edge of an equilateral triangle is s units long then its height is
units
If the height of an equilateral triangle is
units, then its area is
Then we can deduce
(a) If ABC is an equilateral triangle with perimeter 3s units then its area is
(b) If the area of ABC is
then it is an equilateral triangle
(c) If each edge of an equilateral triangle is s units long then its area is
(d) All of these are valid conclusions.
(e) Both (a) and (c) are correct.
For the given functions f and g, find the requested composite function value.f(x) = 2x + 4, g(x) = 2x2 + 3;
Find (g ? f)(2).
A. 245 B. 20 C. 131 D. 26