SOMEONE HELP PLZZZ I AM CONFUSED

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

Find the vertex of the function given below y=x^2-6x+1

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?