Use the leading coefficient test to determine the end behavior of the polynomial function? 1) f(x)= -3x^2+3x+1

Answer this question only if you know the answer! 30 points and

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

With finding limits of multi variable !