Solve the initial value problem.y'(t) + 4y = 3, y(0) = 1
A. y = 
e-4t + 
B. y = 
e-4t + 
C. y = 
e4t + 
D. y = 
e4t + 
Answer: A
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Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.If it's not Saturday, then Dad will shave. If Dad has whiskers, then he did not shave. If it's Saturday, then Dad will take us to the game.
A. If Dad has whiskers, then he will take us to the game. B. If Dad did not shave, then he has whiskers. C. If Dad shaves, then it's not Saturday. D. If Dad takes us to the game, then he has whiskers.
Use the integral test to determine whether the series converges.
A. diverges B. converges
Solve the problem.The formula A = 159e0.023t models the population of a particular city, in thousands, t years after 2011. When will the population of the city reach 183 thousand?
A. 2019 B. 2018 C. 2017 D. 2016
Use the quadratic formula to solve the equation.
+ x + 
= 0
A. {-16 + 
}
B. {8 - 
, 8 + 
}
C. {8 + 
}
D. {-8 - 
, -8 + 
}