Find the domain of the logarithmic function.f(x) = log3(x2 + 4x + 4)
A. (-?, -2) ? (-2, ?)
B. (-2, ?)
C. (2, ?)
D. (-?, 0) ? (0, ?)
Answer: A
Mathematics
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Show that the function is a solution of the wave equation.w(x, t) = cos (3t - 3cx), c ? 1
A. No B. Yes
Mathematics
Complete the following proof using the statements and reasons found below
Mathematics
Given two similar triangles, as shown in the figure, find b?1.
?
?
?
A. 
?
B.
?
C.
?
D.
?
E.
Mathematics
Instant Insanity has 331,776 possibilities (not all different). Suppose a computer could print out 1000 arrangements every four seconds. How long would it take for this computer to print out all possibilities? ? It would take __________ days, __________ hours, __________ minutes, __________ seconds.
What will be an ideal response?
Mathematics