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Given the function f(x)=x2+2x+1, find:

f(−7)

2 answers

F(-7) = (-7)^2 + 2(-7) + 1 = 49 - 14 + 1 = 36.
use -7 for x
(-7)^2 + 2(-7) + 1
49 - 14 + 1
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