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5TH MATH

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?