Please Help me.

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

What are the domain and range of the function f(x)=2^x+1

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.