What is the mid point 18.6 and 18.7 on a number line

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

Find the value of the variable and the length of each secant segment.

Issof claims that the scale factor is 1/2. which statement about his claim is correct