Can any on help me plz

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

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left