Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-12x + 12 ? -3(3x - 2)
A. [2, ?)
B. (-?, 2)
C. (-?, 2]
D. (2, ?)
Answer: A
You might also like to view...
Provide an appropriate response.The monthly cost of a certain texting plan is given by the function C(n) = 0.05n + 9.95, where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(140) Monthly Cost of Texting Plan
A. 7.00; it costs $7.00 to send 140 texts in a month using a certain texting plan. B. 15.95; it costs $15.95 to send 140 texts in a month using a certain texting plan. C. 16.95; it costs $16.95 to send 140 texts in a month using a certain texting plan. D. 23.95; it costs $23.95 to send 140 texts in a month using a certain texting plan.
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 137 + 0.25x, where x is the number of miles driven. Find and interpret the C-intercept of the graph of this function.
A. 0.25; There is a flat rate of $0.25 to rent a car in addition to the charge for each mile driven. B. 0.25; The cost of the rental car increases by $0.25 for each mile driven. C. 137; There is a flat rate of $137 to rent a car in addition to the charge for each mile driven. D. 137; The cost of the rental car increases by $137 for each mile driven.
Solve.An express and local train leave GraysLake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
A. Express's rate = 60 mph and local's rate = 30 mph. B. Express's rate = 50 mph and local's rate = 25 mph. C. Express's rate = 25 mph and local's rate = 12.5 mph. D. Cannot be determined with information given.
Solve the problem.For three months the sales for your department were $6964, $7464, $6464. What was your departmental average?
A. $33,820 B. $6964 C. $6464 D. $5964