Subtract.(0.6x4 - 0.6x2 + 0.3) - (1.9x4 + 4.6x - 4.8)
A. -1.3x4 - 0.3x2 - 4.5
B. -1.3x4 - 0.6x2 + 4.6x + 5.1
C. -1.3x4 - 0.6x2 - 4.6x - 4.5
D. -1.3x4 - 0.6x2 - 4.6x + 5.1
Answer: D
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Provide an appropriate response.Urban encroachment is causing the area of a forest to decline at a rate of 8% per year. Use the approximate half-life formula to determine the half-life of the forest.
A. 8.75 years B. 17.50 years C. 1.08 years D. 7.50 years
Find the absolute maxima and minima of the function on the given domain.
on the rectangular region 
A. Absolute maximum: 
at 
absolute minimum: 
at 
B. Absolute maximum: 
at 
absolute minimum: 
at 
C. Absolute maximum: 
at 
absolute minimum: 
at 
D. Absolute maximum: 
at 
absolute minimum: 
at 
Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A sphere with d = 6.4 yd
A. 6.4 yd2 B. 128.8 yd2 C. 137.2 yd2 D. 32.2 yd2
Determine whether the sequence is geometric.an = 7
A. Geometric B. Not geometric