i have a final exam tomorrow for calculus, and I saw some of the questions

I need help figuring out the answers! (Doh)

here aree some

1.)condense into a single log:

log5+3log x-2+log y+ (2/3)log z

2.) expand :

ln 4 [cube root of] x / y^3

3.) find the horizontal asymptope of:

f(x)=(4x^2 -7x +6/6x^2 -9)

4.) which quadratic equation has a vertex at (3, -4) and passes through the point (-2, 1)?

:rolleyes:i will do ANYTHING for these answers:):)