For example, if 𝘛(𝘺) is the temperature in the atmosphere as a function of height, and 𝘩(𝘵) is the height of a weather balloon as a function of time, then 𝘛(𝘩(𝘵)) is the temperature at the location of the weather balloon as a function of time.
Write a function that describes a relationship between two quantities. From a context, determine an explicit expression, a recursive process, or steps for calculation. Combine standard function types using arithmetic operations (e.g., given that 𝑓(𝑥) and 𝑔(𝑥) are functions developed from a context, find (𝑓 + 𝑔)(𝑥), (𝑓 – 𝑔)(𝑥), (𝑓𝑔)(𝑥), (𝑓/𝑔)(𝑥), and any combination thereof, given 𝑔(𝑥) ≠ 0). Compose functions.