True and False problem help

[maggie0160]

Did I get these right?

For all A, B > 0, (log A)/(log B) = log A - log B

True


The graph of y = x4 + 7x2 - 8 is symmetric with respect to the x axis.

False

 

[pka]

Log(A)−Log(B)=Log(A/B).
Rethink the first one.