Which pairs of rectangles are similar polygons? Select Similar or Not Similar for each pair of rectangles

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Solve the system of equations. y= 2x y= x^2 - 15

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?