Name the set using the roster method.{x 
the square of x is 64}
A. {32}
B. {8}
C. {-32, 32}
D. {-8, 8}
Answer: D
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Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = -4x2(x - 7)(x + 1)3
A. -1, multiplicity 3; 0, multiplicity 2; 1, multiplicity 1; 7, multiplicity 1 B. -1, multiplicity 3; 7, multiplicity 1 C. -1, multiplicity 3; 0, multiplicity 2; 7, multiplicity 1 D. -1, multiplicity 1; 1, multiplicity 1; 7, multiplicity 1
Solve the system by the addition method.x2 + y2 - 4x + 8y + 19 = 0 x2 - y2 - 4x - 8y - 13 = 0
A. {(3, -4), (-1, -4)} B. {(3, -4), (1, -4)} C. {(2, 3), (2, 5)} D. {(2, -3), (2, -5)}
Solve the equation. Give a general formula for all the solutions.cos ? - 1 = 0
A. {?|? = ? + 2k?}
B. {?|? = 2k?}
C. 
D. 