SOLUTION: need help please using transformations g(x)=-21x1-2

Question 865747: need help please using transformations
g(x)=-21x1-2
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the graph of y = |x| in green

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Then vertically stretch it by a factor of 2 (ie make twice as tall) to get the graph in blue. The blue graph is the equation of y = 2*|x|

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Reflect that last blue graph over the x axis to get the graph in purple. The purple graph is the equation of y = -2*|x|

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Finally, shift the purple graph down 2 units to get the graph in yellow. The yellow graph is the equation of y = -2*|x| - 2

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Here is just the graph of y = -2*|x| - 2 in green

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