Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 2 s
A. - 
ft/s2
B. 
ft/s2
C. - 
ft/s2
D. 
ft/s2
Answer: B
Mathematics
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Determine if the given set of whole numbers is closed under addition.{2, 4, 6, 8, . . . }
A. Not closed B. Closed
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Solve.-6x + 6 + 4x = -3x + 11
A. x = -6 B. any real number C. x = 5 D. no solution
Mathematics
Use the substitution method to solve the system. x + 6y = -6-2x + 7y = 12
A. (6, -1) B. (-6, 0) C. (-5, -6) D. No solution
Mathematics
Find the function value.Let g(x) = 
. Find g(0).
A. 4 B. 1 C. does not exist D. 0
Mathematics