contestada

The value 4 is an upper bound for the zeros of the function shown below. f(x)= 4x^3 - 12x^2 - x +15 A. True B. False is it true?

Respuesta :

Answer: true

Step-by-step explanation:

Answer:

The answer is true.

Step-by-step explanation:

When you put 4 into the synthetic division, all the numbers including the remainder don't have sign changes, meaning it is an upper bound.