Rebecca wants to buy a bracelet that is $69.99 but today she can buy it for 20% off the price. What is the amount she will save?
1 answer:
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F(g(x)) means you take the g function and put it into x in the f function. He took the function and put it into the g, which was the incorrect order. He should have had this: 
If it is an equation, there must be equal sign present. It means, we are equating something. If there is equal sign, then it can't be an equation.
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