nilai f(x) =8x + 4x -3 untuk x =0,5

f(x) = 8x + 4x - 3
f(0,5) = 8(0,5) + 4(0,5) - 3
= 4 + 2 - 3
= 6 - 3
= 3

Semoga Bermanfaat! {^=^}
Makasih:D

f(x) = 8x + 4x - 3
f(x) = 12x - 3

x = 0,5

f(0,5) = 12(0,5) - 3
= 6 - 3 = 3