Pls answer the question below

Answer:
a) f(x) = x³ - 8x² - x + 8
b) h(x) = 2x⁴ + x³ - 3x² - x = 1
c) g(x) = 13.2x³ + 3x⁴ - x - 4.4
#a
[tex]\\ \rm\longmapsto f(x)=x^3-8x^2-x+8[/tex]
#b
[tex]\\ \rm\longmapsto h(x)=2x^4+x^3-3x^2-x+1[/tex]
#c
[tex]\\ \rm\longmapsto g(x)=13.2x^3+3x^4-x-4.4[/tex]