What expression is equivalent to – 6( – 6g–4)–2g?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?