Plesae to prove this identity :
I will make the answer brainlist !!!​

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Graph the linear function using the slooe and y intercept

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )