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Start with f(x)=x2. A vertical translation up by 7 adds 7 to the output, so

g(x)=f(x)+7 = x2 + 7.

In the form a(x−h)2+k this is

g(x)=1(x−0)2+7, so a=1, h=0, k=7.

g(x) = (x−0)2 + 7 = x2 + 7


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