Provide an appropriate response.If one form of the correct answer of a sum of two rational expressions is 
, what would be an alternate form of the answer be if the denominator is 9 - k?
A. 
B. 
C. 
D. 
Answer: B
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Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = (-x)5/2
A. Decreasing -? < x < ?
B. Decreasing -? < x ? 0
C. Decreasing -? < x ? 0
Increasing 0 ? x < ?
D. Increasing 0 ? x < ?
Solve the problem.The table shows the number of new cases of a certain disease among women in six consecutive years. Data are in thousands rounded to the nearest hundred.YearNew Cases (thousands)20053.020063.420074.620085.420096.0201016.1Let x = 1 correspond to 2005 and let y be the number of new cases (in thousands) among women in year x. Find a quadratic function to model the data. Round to three decimal places if necessary.
A. y = 0.623x2 - 5.645x + 8.69 B. y = 6.69x2 - 3.645x + 0.823 C. y = 0.945x2 - 5.212x + 8.921 D. y = 0.823x2 - 3.645x + 6.69
Solve the problem.Find the equation of a circle in standard form with center at the point (-3, 2) and tangent to the line y = 4.
A. (x - 3)2 + (y + 2)2 = 16 B. (x + 3)2 + (y - 2)2 = 4 C. (x + 3)2 + (y - 2)2 = 16 D. (x - 3)2 + (y + 2)2 = 4
Multiply the polynomials and simplify by combining like terms.(x - 12)(x2 + 5x - 3)
A. x3 - 7x2 - 57x - 36 B. x3 + 17x2 + 63x + 36 C. x3 + 17x2 + 57x - 36 D. x3 - 7x2 - 63x + 36