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Evaluate the following expression 1/3^2

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4