diketahui f(x)=x-3 g(x) 2x+5 dan h(x) = x^2+1 tentukan (hogof)?

f(x) = x-3
g(x) = 2x+5
h(x) = x²+1

(hogof) = (x²+1) o (2x+5) o (x-3)
= (x²+1) o (2(x-3)+5)
= (x²+1) o (2x-1)
= ((2x-1)²+1)
= ((4x²-4x+1) +1)
= 4x²- 4x + 2