Find the root. Assume that variables represent any real number.
A. 9
B. -9
C. 81x
D. 9x
Answer: A
Mathematics
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Solve the problem.Suppose that f and g are continuous and that 
and 
A. 8 B. 9 C. 11 D. 1
Mathematics
Answer the question or complete the sentence to make a true statement.When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is .
A. Positive B. Zero C. Not known D. Negative
Mathematics
Find the vertices of the ellipse.
+ 
= 1
A. (1, -3), (1, 7) B. (-3, 1), (7, 1) C. (-1, 1), (5, 1) D. (1, -1), (1, 5)
Mathematics
Use the square root property to solve the quadratic equation.x2 = 169
A. {84.5} B. {-14, 14} C. {-13, 13} D. {13}
Mathematics