How do you figure out the square root of a number like 76​

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

Identify the graph of y = ln x + 1.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?