State the domain and range of the function.f(x) = 
A. domain: (-?, ?); range: (-?, ?)
B. domain: (0, ?); range: (0, ?)
C. domain: (-?, ?); range: (0, 9)
D. domain: (-?, ?); range: 
Answer: D
Mathematics
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Solve the equation.log x + log (x + 1) = log 6
A. {2}
B. {3, -2}
C. {3}
D. 
Mathematics
Solve the problem. Round to two decimal places if needed.A pendulum swings though an angle of 35° each second. If the pendulum is 45 inches long, how far does its tip move each second?
A. 27.49 inches B. 29.92 inches C. 25.64 inches D. 28.78 inches
Mathematics
Solve the problem.Let f(x) be the function represented by the dashed line and g(x) be the function represented by the solid line. Solve the equation f(x) ? g(x).
A. x < -1 B. x ? 3 C. x ? -1 D. x ? 3
Mathematics
Solve the equation.
a - 
= -4
A. -7 B. 7 C. 9 D. -9
Mathematics