Use the Definition of a Logarithm to Solve Logarithmic Equations $\log _ { 9 } 7 + \log _ { 9 } x = 1$

question 37

Multiple Choice

Use the Definition of a Logarithm to Solve Logarithmic Equations
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic
expressions. Give the exact answer.
- $\log _ { 9 } 7 + \log _ { 9 } x = 1$

• A) \(\left\{ \frac { 9 } { 7 } \right\}\)
• B) \(\left\{ \frac { 7 } { 9 } \right\}\)
• C) \(\{ \sqrt [ 7 ] { 9 } \}\)
• D) \(\left\{ \frac { 1 } { 7 } \right\}\)

---

Definitions:

Tank

A container designed to hold liquids or gases at a pressure different from the ambient pressure.

Capacitive VARs

Units of reactive power in an electrical system associated with capacitive loads, contributing to the total power in VARs (volt-ampere reactive).

Parallel

A type of electrical circuit connection where components are connected across the same two points, sharing voltage across but potentially carrying different currents.

Bandpass Filter

An electronic device or circuit that allows signals between two specific frequencies to pass through while blocking those outside this range.