Diketahui fungsi f(x)2x-7 tentukan nilai f(4)dan (-4)​

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Diketahui fungsi f(x)2x-7 tentukan nilai f(4)dan (-4)​

f (x) = 2x – 7

f (4) = 2.4 – 7 = 8 – 7 = 1

f (-4) = 2.-4 – 7 = (-8) – 7 = (-15)

Jawab:

1 dan – 15

Penjelasan dengan langkah-langkah:

f(x)=2x-7\f(4)=2(4)-7\f(4)=8-7=1

f(x)=2x-7\f(-4)=2(-4)-7\f(-4)=-8-7=-15