Which of the following describes the function x4 - 3?
(the options r in the picture)

853.3

step-by-step explanation:

wedfghjkl;

tyuiop[]ghjkl;

step-by-step explanatio89

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

combine all like terms then its just a 2 step equation