Compute r, the linear coefficient of correlation, for the given data.
A. 0
B. 0.005
C. -0.006
D. 0.006
Answer: D
Mathematics
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Simplify the complex rational expression.
A. 
B. 
C. 
D. 18x4
Mathematics
Graph the function. Then identify its domain and range.f(x) = -x2 + 5
A. Domain: (-?, ?); range: (-?, -5]
B. Domain: (-?, ?); range: (-?, 5]
C. Domain: (-?, ?); range: (-?, 0]
D. Domain: (-?, ?); range: [0, ?)
Mathematics
Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.x2 + y2 + x + y = 0
A. Circle B. Parabola C. Hyperbola D. Ellipse
Mathematics
Name the indicated property.If x = 4, then 4 = x.
A. reflexive property B. symmetric property C. multiplication property D. transitive property
Mathematics