Not asking a question just trying to help others

Answer 1

Pre Calculus A Review Practice

1. [-2,1) u(5,9]
2.{x|x =/ -6 or 6} (just imagine it's going through the sign)
3. 6x^2+31+39/x^2+4x+4
4. f^-1(x)= 3sqrt x+1/2
5. f(x)=|3x|-4
f(x)=log5 x^2
f(x)= 1/x^8+5x^2
ill post the rest when i finish the exam <3

Answer 2

Cheaters seldom prosper