Write a function that describes a relationship between two quantities.
HSF.BF.A.1.A
Determine an explicit expression, a recursive process, or steps for calculation from a context.
HSF.BF.A.2
Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms.
HSF.LE.A.1.C
Recognize situations in which a quantity grows or decays by a constant percent rate per unit interval relative to another.
