Solve the polynomial inequality. Express your solution on a number line using interval notation.x(x - 6)(x + 8)(x + 5) > 0
A. (0, ?)
B. (-8, -5) ? (0, 6)
C. (-?, -8) ? (-5, 0) ? (6, ?)
D. (-?, -8) ? (-5, 6)
Answer: C
Mathematics
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Find the exact function value.cos-1
A. 
B. 
C. 
D. 
Mathematics
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 8 + 5 cos tFind the body's acceleration at time t = ?/3 sec.
A. 
m/sec2
B. - 
m/sec2
C. - 
m/sec2
D. 
m/sec2
Mathematics
Use the graph to find the standard equation of the circle.
A. (x + 3)2 + (y - 1)2 = 4 B. (x - 3)2 + (y + 1)2 = 4 C. (x - 3)2 + (y + 1)2 = 16 D. (x + 3)2 + (y - 1)2 = 16
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x2 + 9x4 + 3 - 7x3) - (-4 - 2x3 + 3x4 - 5x2)
A. 6x4 - 9x3 + 2x2 - 1 B. 12x4 - 9x3 + 2x2 - 1 C. 12x4 - 9x3 + 2x2 + 7 D. 6x4 - 5x3 + 12x2 + 7
Mathematics