Question 464301
f(x)=1/2(x+9)^2+5
f(x)=a(x-h)^2+k
a=1/2, h=-9, k=5
the vertex=(-9, 5)
y=5 is the minimum
x=-9 is the line of symmetry
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Ed
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{{{graph(500,500,-15,5,-5,15,(1/2)*(x+9)^2+5)}}}