Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 12x
A. increasing on (6, ?)
decreasing on (-?, 6)
B. increasing on (-?, -6)
decreasing on (-6, ?)
C. increasing on (-?, 6)
decreasing on (6, ?)
D. increasing on (-6, ?)
decreasing on (-?, -6)
Answer: B
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Write interval notation.{x ? x ? 30.1}
A. [30.1, ?) B. (30.1, ?) C. (-?, 30.1] D. (-?, 30.1)
Find the inverse of the function.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Find the limit, if it exists.
(x2 - 16 + 
)
A. Does not exist B. -10 C. 4 D. -4
Solve the problem. Round rates to the nearest whole percent and dollar amounts to the nearest cent.The Galerie d'Art paid $136.5 for a limited edition Graux print. The original selling price was $204.75, but this was marked down 60% to make room for incoming pieces. If operating expenses are 28% of cost, find the operating loss and the absolute loss.
A. operating loss: $92.82 absolute loss: $122.85 B. operating loss: $92.82 absolute loss: $54.60 C. operating loss: $54.60 absolute loss: $92.82 D. operating loss: $122.85 absolute loss: $54.60