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Which of the following functions has a vertex of (-1,2)?

Choose 3.
f(x) = (x + 1)^2 + 2
g(x) = x^2 - 1x + 2
h(x) = -x^2 + 2
r(x)= x^2+2x+3
t(x) = -(x + 1)^2 + 2​


Sagot :

Answer:

f(x) , r(x), t(x)

Step-by-step explanation:

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