Please HELP I need help!

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

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

How many verticies does a triangular prims have