What is the amplitude in the graph of y = 5sin(2x - 1) + 3?

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Find the commission on a $590.00 sale if the commission is 15%.