Which of the following matrices could be used to solve the system of equations? 3x +2y+z= -5
4x=4
2x + 2y + 2z = 10

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

What is the inverse of the function f(x) = 2x + 1?