What is the slope of a line perpendicular to a line with the slope -6/5

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Which of the following are accepted without proof in a logical system? check all that apply.

Aline that intersects one of two parallel lines intersects the other also always sometimes never