How do these stage directions from the play provide meaning for readers? they include details for readers about the setting of a scene. They let readers know the emotions of the characters in the scene. They show the exact lines of dialogue that characters speak. They list the actors who will be appearing throughout the play.

Simba travel agency arranges trips for climbing mount kilimanjaro. for each trip, they charge an initial fee of \$100$100 in addition to a constant fee for each vertical meter climbed. for instance, the price for climbing to the shira volcanic cone, which is 30003000 meters above the base of the mountain, is \$400$400. let f(d)f(d) denote the fee of a trip ff (measured in dollars) as a function of the vertical distance climbed dd (measured in meters). write the function's formula. f(d)=