The answer is:   " - 49" .
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 " f(2) = 49 " .
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Step-by-step explanation:
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Given: " f(x) = x – 51 " ; Find " f(2) " ; 
→ Plug in "2" for "x" to solve for " f(2)" ;
→  f(2) = 2 – 51 = - 49 ; 
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The answer is:   " - 49" .
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 " f(2) = 49 " .
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