g(x-2)=2x-3 fog(x-2)=4x2-8x+3 f(-3)=....?

fog(x-2) = f{g(x-2)}

4x² - 8x + 3 = f(2x - 3)

(4x-6)(x-2) = f(2x - 3)

2(2x-3)(x-2) = f(2x - 3)

2(x-2) = f(x)

2x - 4 = f(x)

maka

f(x) = 2x - 4

f(-3) = 2(-3) - 4

f(-3) = -6 - 4 = -10

jawabannya -10

semoga berguna +_+