OpenStudy (anonymous):

f(x) = −2x + 4, find x if f(x) = 20

4 years ago
OpenStudy (anonymous):

Answer please?/

4 years ago
sam (.sam.):

well if f(x) is 20, Then f(x) = −2x + 4 20 = -2x + 4 Solve

4 years ago
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