Give an example of a number c such that the expression below will NOT be a real number. For your choice of c, re-write your expression so that there is no negative or perfect square factors under the radical?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?