I need it in 10 minutes please help me

Itook a better photo of the question so y’all can see it i hope it’s a fine photo

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this