Solve the problem.If a rocket is propelled upward from ground level, its height in meters after t seconds is given by 
During what interval of time will the rocket be higher than 78.4 m?
A. 4 < t < 6
B. 2 < t < 4
C. 4 < t < 4
D. 0 < t < 2
Answer: B
Mathematics
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Find the most general antiderivative.
dy
A. 
- 
+ C
B. 2 tan-1 y - ln |y| + C
C. 2 tan-1 y - 3 ln |y| + C
D. 2 tan-1 y + 3 ln |y| + C
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.2(y + 3) = 3(y - 5)
A. 21 B. -9 C. -21 D. 9
Mathematics
Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.
x = 9, y = 3
A. 18 B. 150 C. -24 D. 30
Mathematics