Find the domain of the composite function f ? g.f(x) = 
; g(x) = 3x + 6
A. {x 
B. {x 
C. {x 
D. {x 
Answer: D
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Solve the problem. Round your answer, if appropriate.The volume of a rectangular box with a square base remains constant at 600 cm3 as the area of the base increases at a rate of 8 
2/sec. Find the rate at which the height of the box is decreasing when each side of the base is 18 cm long. (Do not round your answer.)
A. 
cm/sec
B. 
cm/sec
C. 
cm/sec
D. 
cm/sec
Use a vertical format to subtract the polynomials.4x7 + 2x6 + 8x5 - 6 
A. 6x7 - 6x6 + 10x5 - 14 B. 2x7 + 10x6 + 6x5 - 14 C. 6x7 - 6x6 + 10x5 + 2 D. 2x7 - 6x6 + 10x5 + 2
Apply the distributive property.3x(3 - x)
A. -3x2 - 9x B. -3x2 + 9x C. 3x2 - 9x D. 3x2 + 9x
Determine the place value of the digit 3 in the whole number.30,542
A. thousands B. ten-thousands C. hundred-thousands D. tens