f(x) = -2x +7
x = 2 → f(2)= -2(2)+7
f(2)=____
f(2)= ____
bantu
x = 2 → f(2)= -2(2)+7
f(2)=____
f(2)= ____
bantu
Penjelasan dengan langkah-langkah:
f(x) = -2x + 7
f(2) = -2(2) + 7
f(2) = -4 + 7
f(2) = 3
f(x) = -2x + 7
f(2) = ( -2 . 2 ) + 7
f(2) = -4 + 7
f(2) = 3
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