Question

Find f(3) for the polynomial function F(x)=x^3-9x^2+5x-2

Answer 1

f(3) = -41

Explanation:

f(x) = x³-9x²+5x-2

now,

f(3) = 3³-9×(3)²+5×3-2

= 27-9×9+5×3-2

= 27-81+15-2

= -41