A function, f(x), has a slope of 2 and contains the point (6,4). Which of the following represents the interval on which the output of the function is positive?

1. f(x) is positive when x >0
2. f(x) is postive when x > 4
3. f(x) is positive when x -8
4. f(x) is positive when x is all real numbers

Please help me

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

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.