Question

if N(y) =y^3+ay^2+by + 10,
Which of the following is N(-2)?​

Answer 1

Step-by-step explanation:

N(y) = y^3 + ay^2 + by + 10

N(-2) = (-2)^3 + a(-2)^2 + b(-2) + 10

= -8 + 4a - 2b + 10

= 4a - 2b + 2