Find the axis of symmetry of the given function.f(x) = x2 - 10x + 27
A. x = 0
B. x = -5
C. x = 5
D. x = 2
Answer: C
Mathematics
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Find the cardinal number of the set.The numbers in the Venn Diagram below represent cardinalities. 
Find n(A ? B).
A. 52 B. 24 C. 48 D. 4
Mathematics
Write the following statements as a mathematical expression using parentheses and brackets, and then evaluate.From the square of 8 subtract the product of 5 and 4. To this difference, add 27. Divide the result by 3.
A. [(82 - 5 ? 4) + 27] ÷ 3 = 
B. (8 - 5)2 ? 4 + 27 ÷ 3 = 45
C. [(82 - 5)? 4 + 27] ÷ 3 = 153
D. (82 - 5 ? 4) + 27 ÷ 3 = 53
Mathematics
Find two functions defined implicitly by the given relation.3x2 - y2 = 16
A. y = 
or y = - 
B. y = 
or y = 
C. y = 
or y = - 
D. y = 
x - 
or y = - 
x + 
Mathematics
Solve.x = 144 ÷ 16
A. 7 B. 2,304 C. 9 D. 90
Mathematics