Find all the zeros of the polynomial function.P(x) = 3x4 - 15x3 + 30x2 - 60x + 72
A. 2, 3, -2i, 2i
B. 2, 3, -i, i
C. 1, 3, -4i, 4i
D. - 2, -3, -2i, 2i
Answer: A
Mathematics
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Provide an appropriate response.
The staircase in a house has 15 risers, each one 
inches high. What is the total rise of the steps?
A. 
inches
B. 
inches
C. 
inches
D. 
inches
Mathematics
Subtract. Simplify, if possible.
- 
A. 
B. 
C. 0
D. 
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.a - 2 < 4
A. (6, ?)
B. (-?, 6]
C. (-?, 6)
D. [6, ?)
Mathematics
Solve the inequality by the test-point method. Write the solution in interval notation.x2 - 2x - 16 ? 0
A. (-?, -
] ? [
, ?)
B. (-?, 1 - 
] ? [1 + 
, ?)
C. [1 - 
, 1 + 
]
D. (-?, 1 - 
) ? (1 + 
, ?)
Mathematics