Algebra huh still difficult and will always be.
Someone just...…..
please help me to figure out this

Select the graph of the solution. click until the correct graph appears. |x| = 3

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?