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Which of the following statements best describes the effect of replacing the graph of y = f(x) with the graph of y = f(x) + 20

Which of the following statements best describes the effect of replacing the graph of y fx with the graph of y fx 20 class=

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RickyChen
If you add a constant to the original equation, you are actually shifting up or down

Since the constant is positive, you are shifting the graph 20 units up
choixongdong
answer is C. third choice
the graph of y = f(x) will shift up 20 units

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