Write as a single logarithm.log2 (x - 4) - log2 (x - 2)
A. log2 
B. log2 (x2 - 6x + 8)
C. log2 -2
D. log2 
Answer: A
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Find the open intervals on which the function is increasing and decreasing. Identify the function's local and absolute extreme values, if any, saying where they occur.
A. increasing on (-3, 0); decreasing on (-5, -3) and (2, 5) absolute maximum at (-5, 3); local maximum at (0, 0) and (2, 0); absolute minimum at (5, -3) B. increasing on (-3, 1); decreasing on (-5, -3) and (0, 5) absolute maximum at (-5, 3); no absolute minimum C. increasing on (-3, 0); decreasing on [-5, -3) and (2, 5] absolute maximum at (-5, 3); absolute minimum at (5, -3) D. increasing on (-3, 0); decreasing on (-5, -3) and (2, 5) absolute maximum at (-5, 3); local minimum at (-3, -3) and (5, -3)
Solve the problem.The formula for the up-and-down motion of a weight on a spring is given byS = a sin 
twhere a is the radius of the circle, k is the spring constant, m is the mass, and t is the time. Solve the equation for t.
A. t = 
sin 
B. t = 
arcsin 
C. t = 
arcsin 
D. t = 
sin 
Insert <, >, or = to make the statement true.-8.4 
-9.0
A. > B. = C. <
Perform the division.
A. x2 + 6x - 1 B. x2 C. x2 + 1 D. x2 - 1