Answer:
d
Step-by-step explanation:
To change the base of a logarithm
[tex]log_{b}[/tex] x = [tex]log_{c}[/tex] x / [tex]log_{c}[/tex] b
where c is the new base
Thus with c = 3
[tex]log_{4}[/tex] 14 = [tex]log_{3}[/tex] 14 / [tex]log_{3}[/tex] 4 → d