Jawabanmu

2014-02-20T21:35:16+07:00
F(2x-3) = 4x-7
f(17) - f(7) ?

f(17) = 4x-7
f(17) = 4(17) - 7
f(17) = 68 - 7
f(17) = 61

f(7) = 4x-7
f(7) = 28 - 7
f(7) = 21

f(17) - f(7) = 61 - 21 = 40

CMIIW
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