The Equation Has a Solution R in the Interval Indicated $x ^ { 4 } - x ^ { 3 } - 7 x ^ { 2 } + 5 x + 10 = 0 ; - 3 \leq r \leq - 2$

question 335

Short Answer

The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.
- $x ^ { 4 } - x ^ { 3 } - 7 x ^ { 2 } + 5 x + 10 = 0 ; - 3 \leq r \leq - 2$

---

Definitions:

Hours

Units of time, each equal to 60 minutes, used often as a measure for billing, labor, or scheduling.

Direct Labor Time Variance

The difference between the estimated time for direct labor to complete a task and the actual time taken, indicating efficiency or productivity issues.

Rate

The price or fee for goods or services, or the ratio between two amounts showing the cost of one in terms of the other, often used in context with interest and exchange rates.

Hours

A measure of time typically used to quantify the duration of activities or operations.