Solve the problem.A company has found that the marginal cost of a new production line (in thousands) is 
where x is the number of years the line is in use. Find the total cost function for the production line (in thousands). The fixed cost is $20,000.
A. C(x) = 
+ 11
B. C(x) = 9 ln(x + e) + 11
C. C(x) = 9 ln(x + e) + 20
D. C(x) = 
+ 20
Answer: B
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 3.3073
B. s = -2 cos 
+ 8.2134
C. s = 2 cos 
+ 4
D. s = -2 cos 
+ 4
Solve the problem.Mrs. Missler bought the following items: cheese, 
soda, 
; hamburger, 
; and gum, 
. How much did she spend in total?
A. $20.88 B. $18.98 C. $19.88 D. $19.98
Solve the problem.Assume the cost of a gallon of milk is $3.00. With continuous compounding, find the time it would take the cost to be 2 times as much (to the nearest tenth of a year), at an annual inflation rate of 6%.
A. 4.2 years B. 0.1 years C. 0.2 years D. 11.6 years
Solve the problem.Linda took her car in to be serviced. In addition to an oil change which cost $26, she purchased four new tires at a cost of 49 dollars plus $4 installation each. What was her total bill?
A. $226 B. $79 C. $238 D. $222