Select the expression equivalent to (-2x+8.1y)-(-9x+5.3y)

A. -11x+2.8y
B. 7x+13.4y
C. -11x+13.4y
D. 7x+2.8y

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

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)

Which of the following is the graph of y= square root -x-3