check my precalc
posted by rebekah .
#1. solve x^2-1<0 I got (-1,1)
#2 x(x+1) >20
I got (-infinity, -4) U (5,infinity)
#3
what is the domain of this function? f(x)= squre root of (x-3x^2)
i got [-1/3,0]
thanks!!!
posted by rebekah .
#1. solve x^2-1<0 I got (-1,1)
#2 x(x+1) >20
I got (-infinity, -4) U (5,infinity)
#3
what is the domain of this function? f(x)= squre root of (x-3x^2)
i got [-1/3,0]
thanks!!!