Use a CAS to Plot the Function near the Point $$\lim _ { x \rightarrow- 1 } \frac { x ^ { 2 } - 1 } { \sqrt { x ^ { 2 } + 3 } - 2 }$$

question 131

Multiple Choice

Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
- $$\lim _ { x \rightarrow- 1 } \frac { x ^ { 2 } - 1 } { \sqrt { x ^ { 2 } + 3 } - 2 }$$

• A) \(\frac { 1 } { 4 }\)
• B) 4
• C) 2
• D) 1

---

Definitions:

Proportional Income Tax

A tax system where the tax rate is fixed and the same for all income levels, applied uniformly as a percentage of income.

Higher Income

Pertains to individuals or households that earn above average or significantly more money compared to the general population, often associated with greater purchasing power.

Income Tax

A tax levied by governments on individuals or entities' income, where the tax rate often varies by the amount of income or profits reported.

Burden Percentage

Burden percentage often relates to the proportion of costs or taxes borne by an entity, indicating its financial impact.