Do quadratic functions and linear functions have asymptotes? If so how do you identify them

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

What could explain what happened when the time was equal to 120 minutes