Solve the problem.The space in a landfill decreases with time as given by the function 
where t is measured in years. How much space is left when t = 6?
A. 110
B. 320
C. 180
D. 200
Answer: D
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Provide an appropriate response.Write a "volume" word problem for which finding the solution would involve evaluating the double integral
What will be an ideal response?
Find an equation of the line representing the given data. Write the equation in slope-intercept form, unless otherwise indicated.A company can make 11 printing presses for $148,000, and it can make 24 printing presses for 
Let y be the cost to product x printing presses.
A. y = x + 7800 B. y = 13x + 7800 C. y = 600x + 141,400 D. y = 600x - 141,400
Find the first five terms of the recursively defined sequence.a1 = 9, an = an-1 + 6
A. 15, 21, 27, 33, 39 B. 9, 6, 12, 18, 24 C. 9, 15, 21, 27, 33 D. 0, 6, 12, 18, 24
Find decimal notation.- 
A. -1.8
B. -1.8
C. -1.
D. -1.