Solve the problem. Round your answer to the nearest tenth, if necessary.The formula s = 16t2 is used to approximate the distance s, in feet, that an object falls freely (from rest) in t seconds. A stuntman jumps from a rooftop 320 ft off the ground. How long will it take him, falling freely, to reach the ground?
A. About 4.5 sec
B. About 20 sec
C. About 71.6 sec
D. About 10 sec
Answer: A
Mathematics
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Determine the most probable next term in the sequence. 
, 
, 
, 
, 
A. 
B. 
C. 
D. 
Mathematics
Find the domain and the range of the function.
A. D: (4, ?); R: (-?, 0] B. D: (0, ?); R: [0, ?) C. D: (-?, ?); R: (-?, ?) D. D: (4, ?); R: [0, ?)
Mathematics
Perform the indicated operation and simplify if possible.
+ 
A. 
B. 
C. 
D. 6x + 7
Mathematics
Solve.
= 1 + 
A. 3, -1 B. -3, -1 C. 3 D. empty set solution
Mathematics