Which linear inequality is represented by the graph
1 answer:
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Answer:
B
Step-by-step explanation:
Let y = f(x) and rearrange making x the subject
y = x² + 7 ( subtract 7 from both sides )
y - 7 = x² ( take the square root of both sides )
± = x
Change y back into terms of x, thus
(x) = ±