Solve the problem. Give the answer to the nearest tenth.The position of an object moving in a straight line is given by s = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 19 meters?
A. 3.7 sec
B. 20.0 sec
C. 66.5 sec
D. 3.9 sec
Answer: D
Mathematics
You might also like to view...
Solve the problem.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, multiplying both sides by x, differentiating again, and replacing x by 
.
A. 
B. 
C. 
D. 
Mathematics
Write the fraction in simplest form. Assume that all variable factors in the denominator are not equal to zero.
A. 12 B. 12k2 C. 3k2 D. 3k
Mathematics
Find the center of the ellipse. 9(x + 1)2 + 16(y + 3)2 = 144
A. (1, 3) B. (-3, -1) C. (-1, -3) D. (9, 16)
Mathematics
Evaluate without the use of a calculator.arctan
A. 
B. 
C. 
D. 
Mathematics