Solve.A rock falls from a tower that is 176 ft high. As it is falling, its height is given by the function 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 1936 sec
B. 13.3 sec
C. 3.3 sec
D. 10.9 sec
Answer: C
Mathematics
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x - 4
A. 
B. 
C. 
D. 
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 tan t, y = 3 sec t; -?/2 ? t ? ?/2 
A. 
B. 
C. 
D. 
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Find a ? b.a = 15j, b = i + 3j
A. -45
B. 
C. 
D. 45
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Solve the equation.2-3x + 5 = 
A. {-3}
B. {8}
C. 
D. {3}
Mathematics