What’s the value for y? PLEASE!!

What is the size of the matrix resulting from

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12