Mohon bantuannya untuk no . 5

f(x) = x²
g(x) = 1/x
h(x) = x + 1

fogoh(x)
= fog(x + 1)
= f(1/(x + 1))
= 1/(x + 1)² ✔

fogoh(0)
= 1/(0 + 1)²
= 1 ✔

i = x² - 8x + 10
y = (x - 4)² - 6
(x - 4)² = y + 6
x - 4 = ± √(y + 6)
x = 4 ± √(y + 6)

i^-1 (x) = 4 ± √(x + 6) ✔