Question

No 7 .8 ..?

mohon bantuannya

Answer 1

7.) (fog)(-2) = f(3(-2)-4). > = -10²+2(-10)-3
f(-6-4). = 100+(-20)-3
f(-10). = 77

8.) (fogoh)(x) = f((x+3)²-2(x+3)+2)
f(x²+6x+9-2x+3+3)
f(x²+6x-2x+9+3+2)
f(x²+4x+14)
> = 3(x²+4x+14)-1
= 3x²+12x+42-1
= 3x²+12x+41