(Solved): 3. Buying tickets: The cost is proportional to the number of tickets you buy at the fair at a rate ...

3. Buying tickets: The cost is proportional to the number of tickets you buy at the fair at a rate of $\$2$ per ticket. Next assume there is a fixed cost of $\$15$ to get into the fair. a. Fill in table of values for both functions: b. Plot points and sketch the graph of each function: