Determine a quadratic function that results when applying the given shifts to the graph of 
Shift 20 units up.
A. f(x) = x2 + 20
B. f(x) = (x - 20)2
C. f(x) = (x + 20)2
D. f(x) = x2 - 20
Answer: A
Mathematics
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A. 
B. 
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