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Mathematics 21 Online
OpenStudy (anonymous):

If f(x) = |x + 7|, find f(−12). −5 19 5 −19

OpenStudy (bibby):

start by plugging x in |-12+7| simplify the inside first. -12+7=?

OpenStudy (anonymous):

-5

OpenStudy (bibby):

|-5| = ?

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