Break the numbers under the radical into perfect squares: . Take the perfect squares out: you have two 2's, and 2 x's, on the outside of the radical with 2 and z leftover:
. Multiply everything together to get
.
I’ve never understood how to solve these
2 answers:
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The absolute value function is:
To translate it we need to remember the following rules:
Using this table we conclude that the function we are looking for is:
