Write as the sum and/or difference of logarithms. Express powers as factors.log3
A. log310 + 
log3x
B. log3
+ log3
C. 
log310x
D. 
log310 + 
log3x
Answer: D
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Solve the problem.A cylindrical container with a volume of 3? ft3 is to be made from two different materials. The material used for the ends costs three times as much as the material for the side. What are the dimensions of the container that minimize the cost of the materials?
A. r = 
ft; h = 
ft
B. r = 
ft; h = 4
ft
C. r = 
ft; h = 4
ft
D. r = 
ft; h = 3
ft
Find the absolute value.|-21|
A. 21 B. ± 21 C. -21 D. 0
Find the domain and range of the function.f(x) = x2 - 18x + 84
A. Domain: (-?, ?); Range: [9, ?) B. Domain: (-?, ?); Range: [3, ?) C. Domain: [3, ?); Range:(-?, 9] D. Domain: [3, ?); Range: (-?, 0]
Find the slope of the line that goes through the pair of points.(-5, -8) and (-7, -2)
A. 3 B. 2 C. -3 D. 6