Solve the inequality and write the solution set in interval notation.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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A car leaves an intersection traveling west. Its position 4 sec later is 26 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 4 sec later is 26 ft from the intersection. If the speeds of the cars at that instant of time are 12 ft/sec and 10 ft/sec, respectively, find the rate at which the distance between the two cars is changing. Round to the nearest tenth if necessary.
What will be an ideal response?
Write an equivalent expression. Use a commutative law.2 + b
A. b + 2 B. 2(1 + b) C. 2b D. b2
Solve the problem.The profits (in millions) for a company for 8 years was as follows: 
Find the cubic function of best fit to the data.
What will be an ideal response?
Solve the problem.Candy and Delvis are riding bicycles in the same direction. Candy is traveling at a speed of 9 miles per hour, and Delvis is traveling at a speed of 14 miles per hour. In 4 hours what is the distance between them (assuming that they began at the same point and time)?
A. 29 miles B. 17 miles C. 20 miles D. 21 miles