Check the leading coefficient of the function. This number is the coefficient of the expression with the largest degree.

Largest Degree:

Leading Coefficient:

Create a list of the coefficients of the function except the leading coefficient of .

Arrange the terms in ascending order.

The maximum value is the largest value in the arranged data set.

The absolute value is the distance between a number and zero. The distance between and is .

Add and .

Simplify each term.

The absolute value is the distance between a number and zero. The distance between and is .

The absolute value is the distance between a number and zero. The distance between and is .

The absolute value is the distance between a number and zero. The distance between and is .

Simplify by adding numbers.

Add and .

Add and .

Arrange the terms in ascending order.

The maximum value is the largest value in the arranged data set.

Take the smaller bound option between and .

Smaller Bound:

Every real root on lies between and .

and

Find the Bounds of the Zeros f(x)=x^3-3x^2-13x+15