Factor completely.49y4 - 25
A. Prime
B. (7y2 + 5)(7y2 - 5)
C. (7y2 - 5)2
D. (7y2 + 5)2
Answer: B
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The circulation M, in thousands, of a magazine depends on the time t, in years, since initial publication. The following relationship is valid over the first 7.00 years:
.
When did magazine circulation reach a maximum, and what was the maximum circulation? Round your answers to two decimal places.
?
A. The maximum circulation of 4.67 thousand occurred 54.81 years after initial publication. B. The maximum circulation of 54.81 thousand occurred 4.67 years after initial publication. C. The maximum circulation of 2.89 thousand occurred 57.70 years after initial publication. D. The maximum circulation of 57.70 thousand occurred 2.89 years after initial publication.
Find percent notation.7
A. 0.7% B. 350% C. 700% D. 0.07%
Find the quotient.
A. 18
B. 8
C. -18
D. 
Solve the problem.The linear function f computes the distance y in miles between a car and the city of Ottawa after x hours, where 
The graphs of f and the horizontal lines 
and 
are shown in the figure. (i) Is the car moving toward or away from Ottawa? (ii) Determine the times when the car is 75 miles and 150 miles from Ottawa. 
A. away from Ottawa.; The car is 75 miles from Ottawa after 
and 
after 
B. away from Ottawa.; The car is 75 miles from Ottawa after 
and 
after 
C. away from Ottawa.; The car is 75 miles from Ottawa after 
and 
after 
D. toward from Ottawa.; The car is 75 miles from Ottawa after 
and 
after 