Simplify the expression. Assume all variables represent positive real numbers.
A. 6
B. 29
C. 4
D. 9
Answer: A
Mathematics
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Graph the function. f(x) = x2 - 2
A. 
B. 
C. 
D. 
Mathematics
Solve. Graph the solution on a number line, and express it in interval notation.-4(3x + 5) < -16x - 16
A. x ? 1, [1, ?)
B. x < 1, (-?, 1)
C. x ? 1, (-?, 1]
D. x > 1, (1, ?)
Mathematics
Graph the solution of the system.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the exponential equation by taking the logarithm on both sides. Use a calculator to obtain a decimal approximation, correct to four decimal places, for the solution.2(x + 8) = 3
A. -0.7270 B. 8.6309 C. -6.4150 D. 1.5340
Mathematics