Establish the cauchy mean value theorem given that f(x)=5x+x2 and g(x)=x^2-1 on the interval [1,2]

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

There are 3232 forwards and 8080 guards in leo's basketball league. leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. if leo creates the greatest number of teams possible, how many guards will be on each team?