1+1

Kinda confused on this

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

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Is it true or false i’m trying to pass this test so i can leave school