Add the polynomials.(2x6 - 8x3 + 8) + (6x6 + 3x3 - 2)
A. 9x9
B. 14x6 + 5x3 - 10
C. 8 - 5x6 + 6x3
D. 8x6 - 5x3 + 6
Answer: D
Mathematics
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Determine the amplitude or period as requested.Amplitude of y = -5 sin 2x
A. 
B. 
C. 
D. 5
Mathematics
Solve the equation.
= 
A. 
B. 0
C. 
D. No solutions
Mathematics
Solve the problem.A rock falls from a tower that is 320 feet 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 
Round to the nearest tenth, if necessary.
A. 4.5 sec B. 17.4 sec C. 6400 sec D. 17.9 sec
Mathematics
Solve the inequality.?3x + 9? < 2
A. 
? 
B. 
C. (-?, 3)
D. 
Mathematics