F(-1/2)=2(-1/2)²-(-1/2)-3​

Jawaban:

f(-1/2)=-2

Penjelasan dengan langkah-langkah:

f(-1/2)=2(-1/2)²-(-1/2)-3

=2(-1²/2²)-(-1/2)-3

=(2×1/4)+1/2-3

=2/4+1/2-3

=(1/2+1/2)-3

=2/2-3

=1-3

=-2