Solve the problem.A rock falls from a tower that is 288 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
A. 4.2 sec
B. 16.5 sec
C. 17 sec
D. 5184 sec
Answer: A
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 9xi + 9yj + 2k , S is the surface cut from the bottom of the paraboloid z = x2 + y2 by the plane 
direction away from the z-axis
A. 711? B. 747? C. 75? D. -1422?
Mathematics
Select the graph that represents the given equation.x + y + z = 6
A. 
B. 
C. 
D. 
Mathematics
Answer the question.For f(x) = 2x + 5 and g(x) = 4
, what is the domain of g?f?
A. All real numbers
B. 
C. 
D. 
Mathematics
Evaluate.
A. 
e4y + C
B. 4e4y + C
C. 
e4y + C
D. 2e4y + C
Mathematics