Alg 2 Question HELP this one is slightly different.
Consider the equation f(x) = ax^2 + bx + c. For what values of a would the quadratic function open upward? For what values of a would the quadratic function open downward? What would happen to the function if the value of a were 0? Complete the explanation.

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.