Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 96 ft deep, during what interval can the flare be seen?(h = -16t2 + v0t + h0.)
A. 0 < t < 2
B. 6 < t < 7
C. 4 < t < 5
D. 2 < t < 3
Answer: D
Mathematics
You might also like to view...
Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Mathematics
Solve.
= 
+ 
A. 
B. 0
C. 12
D. - 
Mathematics
Find y: y3ú4 = 82
a. 3.655 b. 2.412 c. 3.448 d. 4.006 e. 5.155
Mathematics
Solve the system using Gaussian elimination. -3x - 5y = -9-15x - 25y = -4
A. ?
B. {(5, 5)}
C. {(x, y) 
-3x - 5y = -9}
D. {(-9, -4)}
Mathematics