When a scientist burns logs of different woods in a fireplace and calculates how much time it takes for each log to burn, what is the independent variable? A) the name of the scientist B) the type of wood C) the amount of time it takes each log to burn D) the type of matches used

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)=