Find the fourth roots of 81(cos160+isin160)

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

Which statement about perfect cubes is true

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals