Use a Graphing Calculator to Solve the Equation $\log _ { 4 } ( x + 2 ) - \log _ { 5 } ( x - 1 ) = 1$

question 393

Multiple Choice

Use a graphing calculator to solve the equation. Round your answer to two decimal places.
- $\log _ { 4 } ( x + 2 ) - \log _ { 5 } ( x - 1 ) = 1$

• A) {-0.69}
• B) {2.05}
• C) {1.75}
• D) {1.98}

---

Definitions:

Electrical Stimulation

A therapeutic or research technique that involves applying electrical current to stimulate nerves, muscles, or brain areas.

Luigi Galvani

An 18th-century Italian physician and scientist known for his discovery of bioelectricity, especially in the context of muscle movement.

Gustave Fritsch

A nineteenth-century neuroscientist known for his pioneering work on the electrical stimulation of the brain.

Roberts Bartholow

A 19th-century American physician known for his pioneering work in neurology and for an ethical controversy in medically experimenting with electrical stimulation on a human subject's exposed brain.