Solve the problem. Round your answer to the nearest tenth, when appropriate.The position of an object moving in a straight line is given by s(t) = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long will it take the object to move 13 m?
A. 14.0 sec
B. 3.2 sec
C. 29.9 sec
D. 3.4 sec
Answer: D
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Write an algebraic equation and use it to solve the problem.During a road trip, Tonya drove one-third the distance that Lana drove. Mark drove 12 miles more than Lana. The total distance they drove on the trip was 530 miles. How many miles did each person drive?
A. Tonya drove 70 miles, Lana drove 210 miles, and Mark drove 222 miles. B. Tonya drove 222 miles, Lana drove 666 miles, and Mark drove 678 miles. C. Tonya drove 666 miles, Lana drove 222 miles, and Mark drove 210 miles. D. Tonya drove 74 miles, Lana drove 222 miles, and Mark drove 234 miles.
Solve the inequality. Graph the solution set and write the solution set in interval notation.
? 2
A. [-8, -4)
B. (-?, -4) ? [0, ?)
C. (-4, 8]
D. (-?, -8] ? (-4, ?)
Round as indicated.Round to the nearest ten-thousandth. 53.123425
A. 53.1235 B. 53.12343 C. 53.1234 D. 53.123425
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 12 B. 8 C. 6 D. 1296