Absolute Values

Question

Given the formula f(x)=a|x-h|+ k. If the parent function is f(x)=|x|, briefly describehow each letter transforms the parent function:

a: ________________________________________

h:________________________________________

k:________________________________________

Answer 1

| a | > 1, vertical stretch, | a | < 1, horizontal stretch

h shifts h units to the left

k shift k units up, k > 0, or k units down, k < 0