Mark needs to bring enough snacks to a club meeting to have

Mark needs to bring enough snacks to a club meeting to have 2 snacks for each member and 4 extra snacks in case some guests arrive. Write a function rule to determine how many snacks he should bring if he expects x club members.

Solution

Let the number of club members attendening the meeting are \'x\'

Each member getting 2 snack items, So the number of snacks given to x members are, 2x

The comitte members arranging 4 extra snacks for guests:

Hence the total number of snacks, f(x)=2x+4