Answer
Linear
$y=59x+189$
Work Step by Step
$307-248 =59$
$366-307 =59$
$425-366 =59$
$484-425 =59$
$y=59x+b$
$248=59*1+b$
$248=59+b$
$248-59=59+b-59$
$189 = b$
$y=59x+189$
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