Solve the problem.The linear function f computes the distance y in miles between a car and the city of Toronto after x hours, where 
The graphs of f and the horizontal lines 
and 
are shown in the figure. (i) When is the car 90 to 180 miles from Toronto? (ii) when is the car's distance from Toronto less than 180 miles. 
A. between 3 and 8 hours after departure; after it has traveled 1 hour
B. before it has traveled 7 hours; between 7 and 8 hours after departure
C. between 1 and 7 hours after departure; before it has traveled 7 hours
D. after it has traveled 1 hour; before it has traveled 7 hours
Answer: C
Mathematics
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Evaluate the expression.
-1/5
A. 5
B. -5
C. - 
D. 298,023,223,876,953,152
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Solve the inequality. Graph the solution set and write it in interval notation.-6(3x + 12) < -24x - 54
A. [3, ?)
B. (-?, 3)
C. (-?, 3]
D. (3, ?)
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Simplify by rationalizing the denominator. Write your answer in a + bi form.
A. - 
- 
i
B. 
- 
i
C. - 
+ 
i
D. 
+ 
i
Mathematics