Diketahui fungsi f(x) = 3x2 – 2x – 5. Nilai f(− 1/2 ) =.... pls bantu :)

f(x) = 3x^2 -2x -5
f(-1/2) = 3 (-1/2)^2 - 2(-1/2) - 5
= 3 (1/4) +1 -5
= 3/4 -4
= -13/4 = -3 1/4

semoga membantu, kalu bener jadikan terbaik yaa. terimakasihh .. :))