Solve the logarithmic equation.log9(x2 - 2x - 34) = 0
A. {-5, 7}
B. {-7, 5}
C. ?
D. {7}
Answer: A
Mathematics
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Simplify the radical expression.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.The sound produced by touching each button on a touch-tone phone is described by y = sin 2?lt + sin 2?htwhere l and h are the low and high frequencies (cycles per second) in the figure shown.
Use a calculator to find the graph of the sound emitted by touching the 5 key in a [0, 0.01, 0.001] by [-2, 2, 1] viewing rectangle.
A. 
B. 
C. 
D. 
Mathematics
Work the chain multiplication.72 ? 48 ? 5
A. 17,270 B. 17,180 C. 17,280 D. 17,380
Mathematics
Determine the number and type of solutions.5 + 6x2 = 5x
A. 2 real solutions B. 2 imaginary solutions C. 1 real solution
Mathematics