Consider a portfolio of: long 5 stocks, short 5 calls(x=15).....If you could give a full breakdown of how you get to the answers and graphs that would be great I want to actually learn how to do this but with other questions! Thank you!

Consider a portfolio of: long 5 stocks, short 5 calls (x=15), long 5 calls (x=30), short 12 calls (x=35) What are the slopes? What are the intercepts