What does £ mean in math? Not in currency.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points