Use an equation to solve the problem.One-third of the movie audience left the theater in disgust. If 77 angry patrons walked out, how many were there originally?
A. 231
B. 243
C. 204
D. 196
E. 190
Answer: A
Mathematics
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Find the intervals on which the function is continuous.y = 
A. continuous everywhere
B. discontinuous only when ? = 7
C. discontinuous only when ? = 
D. discontinuous only when ? = -7
Mathematics
Solve.
= 
A. x = 
B. x = - 1
C. x = 1
D. x = 
Mathematics
Solve the given problem by using Laplace transforms.The weight on a spring undergoes forced vibrations according to the equation 
Find the displacement 
as a function of time t, if 
and 
when 
A. y = - 1
B. y = - 2
C. y = - 1
D. y = - 1
Mathematics
Find or investigate the function as requested.Find a function f(n) whose domain is the set of natural numbers and the output produces the terms of the sequence 8, 11, 14, 17, . . .
A. 3n + 5 B. 3n C. 3n - 5 D. n - 5
Mathematics