Write a cost function for the problem. Assume that the relationship is linear.A moving firm charges a flat fee of $40 plus $35 per hour. Let C(x) be the cost in dollars of using the moving firm for x hours.
A. C(x) = 40x - 35
B. C(x) = 35x + 40
C. C(x) = 35x - 40
D. C(x) = 40x + 35
Answer: B
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Solve the problem.The height in meters of women of a certain tribe is approximated by 
where t is the woman's age in years and 
Estimate the height (to the nearest hundredth) of a woman of the tribe 4 years of age.
A. 0.96 m B. 0.52 m C. 1.12 m D. 0.77 m
Provide an appropriate response.Suppose that the proportion of left handers in a certain population is 0.1 (10%). If samples of size 100 are repeatedly drawn from this population and the proportion of left handers in each sample is recorded, what can you say about the distribution of the sample proportions?
A. The sample proportions are approximately normally distributed with a mean of 0.1 and a standard deviation of approximately 1/10. B. The sample proportions are approximately normally distributed with a mean of 0.1 and a standard deviation of approximately 1/20. C. Each sample proportion will be equal to 0.1. D. The sample proportions are approximately uniformly distributed between the values of 0 and 0.2.
Provide an appropriate response.Which of the following statements is false?
A. The sequences {an} and {bn} must be positive for all n to apply the Limit Comparison Test.
B. All of these are true.
C. If {an} and {bn} meet the conditions of the Limit Comparison test, then, if 
= 0 and 
converges, then 
converges.
D. The series 
must have no negative terms in order for the Direct Comparison test to be applicable.
Simplify the expression.
A. -0.012 B. 0.12 C. 1.2 D. -1.184