Find the square of the radical expression.
A. 4x + 81
B. 2x + 9
C. 4x + 9
D. 4x2 + 81
Answer: D
Mathematics
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Find the value of the expression. 
- 
A. 30 B. -30 C. -10 D. 10
Mathematics
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 - 3x2 - 5x + 39
A. -3, 3 + 2i, 3 - 2i
B. -3, 1 + 2i, 1 - 2i
C. -3, 3 + 4i, 3 - 4i
D. -3, 1 + 2
i, 1 - 2
i
Mathematics
Find the product AB.A = 
, B = 
A. 
B. 
C. 
D. 
Mathematics
Solve the quadratic inequality. Express your solution on a number line using interval notation.x2 + 7x + 10 ? 0
A. [-5, -2]
B. [-2, ?)
C. (-?, -5]
D. (-?, -5] ? [-2, ?)
Mathematics