Which equation describes how the parent function, y = x cubed, is vertically stretched by a factor of 4?
y = x cubed + 4
y = (x + 4) cubed
y = 4 x cubed
y = x Superscript 4

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236