diketahui fungsi(x)=3 x pankat2-2x-5. nilai f(1per2) a.-4 1per4 b.-31per4 c.3 1per4 d.4 1per 4

++±+++++++++++++++++++3 1per4

f(x) = 3x²-2x-5
f(½) = 3(½)²-2(½)-5
f(½) = ¾ -6
f(½) = (3-24)/4
f(½) = -21/4 = -5 ¼

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