Which equation is a function of x?

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Why do interests rates on loans to be lower in a weak economy than in a strong one

What is the solution of log2  (3x  -  7)  =  3? 4 5