Write a cost function for the problem. Assume that the relationship is linear.A moving firm charges a flat fee of $45 plus $40 per hour. Let C(x) be the cost in dollars of using the moving firm for x hours.
A. C(x) = 45x + 40
B. C(x) = 40x + 45
C. C(x) = 40x - 45
D. C(x) = 45x - 40
Answer: B
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Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.5.56, 8.38, 11.20, 14.02, . . .
A. no B. yes, 2.82 C. yes, 2.12 D. yes, 8.46
Use the change-of-base rule to find the logarithm to four decimal places.log2 0.77
A. -0.3771 B. 0.3771 C. -2.6520 D. -0.7542
The population P (in thousands) of Reno, Nevada from 2000 through 2007 can be modeled by 
where t represents the year, with 
corresponding to 2000. In 2005, the population of Reno was about 395,000. According to the model, during what year will the population reach 486,000.00?
?
A. 2013 B. 2005 C. 2021 D. 2017 E. 2009
Write the sentence as an equation. Let the variable x represent the number.The sum of twice a number and 8 is 14.
A. 2x - 8 = 14 B. x + 16 = 14 C. 16x = 14 D. 2x + 8 = 14