Q. Hiks TvTf(x) = 9x + x³ – 4 f(6) = …​

f(x) = 9x + x³ – 4

f(6) = 9(6) + 6³ – 4

f(6) = 9(6) + 6(6)(6) – 4

f(6) = 9(6) + 6(36) – 4

f(6) = 54 + 216 – 4

f(6) = 54 + 212

f(6) = 266

:)

f(6) = 9(6) + (6)³ – 4

= 54 + (6.6.6) – 4

= 54 + 216 – 4

= 270 – 4

= 266