Question

Evaluate the polynomial 3x^3+4x^2+5x^3+5x when x = 1.

Answer 1

17

Explanation:

substitute x = 1 into the polynomial and evaluate

3(1)³ + 4(1)² + 5(1)³ + 5(1) = 3 + 4 + 5 + 5 = 17