# Math

posted by
**Kennedy**
.

give the domain, range, and zeros of:

f(x)=absoulte value of x-3.

f(x)=x^2-4x-8

f(x)=(x+1)(x+1)(x+1).

f(x)=4

f(x)=-'9x-1)^2+16

y=squareroot x.

i don't understand how i konw what the range, domain, and zeros are...please give some answers so i get it