The manager of TeleStar Cable Service estimates that the total number of subscribers to the service in a certain city t years from now will be
?
?
Find the average number of cable television subscribers over the next 4 years if this prediction holds true.
?
A. 16,412
B. 15,836
C. 15,494
D. 15,037
Answer: B
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The concentration C, in milligrams per deciliter, of a drug in the bloodstream t hours after it is administered is
?
.
What is the maximum concentration ever achieved?
?
A. 7 milligrams per deciliter B. 3.21 milligrams per deciliter C. 6 milligrams per deciliter D. 2.21 milligrams per deciliter
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = x2 - 2, g(x) = 6x + 1Find (f/g)
.
A. 
B. - 
C. does not exist
D. 0
Write the augmented matrix for the system. 3x + 7z = 39 5y + 6z = 76 4x + 6y + 7z = 86
A. 
B. 
C. 
D. 
Determine the domain and the range of the function.f(x) = x2 + 8x + 7
A. domain: range: {x|x ? 4} range: {y|y ? 9} B. domain: all real numbers range: {y|y ? 9} C. domain: all real numbers range: {y|y ? -9} D. domain: range: {x|x ? 4} range: {y|y ? -9}