I need help with 30. A and B and Question 32

With #! i’ve tried to figure it out but i can’t.

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

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike