1 Answer

Locksfree · Answer 1 · 2019-02-10T22:48:50+0000

we know that

the graphic has two intervals
x>1------> (1,∞)
equation of second order
and
x<=1------> (-∞, 1]
equation of a line

therefore
The only option that meets these requirements is option A

the answer is
the option A

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