Question 212490
f(x) = 2x -1
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We  do  not  have  given  values  of  x ,  but  just  using 4, -6
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f(4) = 2(4) -1 =8-1 = 7,,,but  f(x) =y,,,,therefore  (4, 7)
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f(-6) = 2(-6) -1 = -12 -1 = -13,,,,(-6,-13)
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