Where is 9/2 on the number line

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.