PLEASE HELP 15 POINTS HURRY

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

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73