What is the linear function for an initial value of 3 and increases by 1/4 when x increases by 1?

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?

Use this graph to find the cost of 6 show tickets

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1