Use the graph to determine the domain and range of the function. 
A. domain: {x|x ? -2, x ? 2}
range: {y|y ? 0}
B. domain: {x|x ? -2, x ? 2}
range: all real numbers
C. domain: all real numbers
range: {y|y ? -2, y ? 2}
D. domain: all real numbers
range: all real numbers
Answer: B
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Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.4x2 + 12x + 9 = 0
A. Two different real-number solutions B. One real solution C. Two different imaginary-number solutions
Write the equation in slope-intercept form.16x + 7y = 17
A. y = - 
x + 
B. y = 
x + 
C. y = 
x - 
D. y = 16x - 17
Solve the equation. First simplify the expression by combining like terms.(y - 5) - (y + 6) = 7y
A. - 
B. - 
C. - 
D. - 
Solve the problem.A circle of radius r is inscribed in a square with sides 2r as shown in the figure. Express the shaded area in terms of r and ? as a completely factored polynomial.
A. 
(4 - r)
B. 
(4 - ?)
C. 
(2-?)2
D. 
(2 + ?)(2 - ?)