Describe the domain and range of y=2(3)^x-2+5

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase