Question

the remainder when f(x) =4x^3 + 2x -1 is divided by 2x+1

Answer 1

Answer:1/2

Step-by-step explanation:

2x + 1 = 0

2x = -1

X = -1/2

F(x) = 4x^3 + 2x-1

Putting the value of x

= 4(-1/2)^3 + 2(-1/2) - 1

=4(-1/8) + (-1)(-1)

=-1/2 + 1

= 1/2