Help me hurry please
Giving points

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

We just started the introduction into circles and i have no idea how to do this.

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.