Answer the question.A retailer finds that total costs per day are given by c = 144
+ 36, where c is cost and n is units sold. What is c when no units are sold?
A. $36
B. $864
C. $180
D. $72
Answer: A
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Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi B. 20 mi C. 6.3 mi D. 10 mi
Translate the stated rule or relationship to a formula.The distance traveled, d, is equal to the speed, r, multiplied by the time traveled, t.
A. d = rt B. d = r/t C. t = dr D. d = r+t
Find the equation that the given graph represents and give the domain, range, and interval(s) over which the function is increasing and decreasing.
A. P(x) = -x5 - 10x2 - 10; domain: (-?, ?); range: [-29.51, ?); Increasing over (-?, 0] and [4.77, ?); Decreasing over (-?, 0] and [0, 4.77] B. P(x) = x4 + x3 - 10x2 + 10; domain: (-?, ?); range: [-29.51, ?); Increasing over [-2.67, 0] and [1.90, ?); Decreasing over (-?, -2.67] and [0, 1.90] C. P(x) = x5 - 4x3 + 12x2 + 10; domain: (-?, ?); range: [-29.51, ?); Increasing over [-.61, ?); Decreasing over (-?, -.61] and [0, 7.85] D. P(x) = -x4 + x3 - 12x2 + 10; domain: (-?, ?); range: [-29.51, ?); Increasing over [-3.56, 0] and [.83, ?); Decreasing over (-?, -3.56] and [0, .83]
Write out the first five terms of the sequence.{sn} = {n2 - n}
A. s1= 2, s2= 6, s3= 12, s4= 20, s5= 30 B. s1= 0, s2= 3, s3= 8, s4= 15, s5= 24 C. s1= 1, s2= 4, s3= 9, s4= 16, s5= 25 D. s1= 0, s2= 2, s3= 6, s4= 12, s5= 20