Use the product, quotient, and power rules of logarithms to rewrite the expression as a single logarithm. Assume that all variables represent positive real numbers.

log4 7 -log4 m

Options:
1) log4 (m / 7)
2) log8 (7 / m)
3) log4 (7 / m)
4) log4 (7 - m)

Respuesta :

Answer:

Option 3: [tex]log_{4} (\frac{7}{m} )[/tex]

Step-by-step explanation:

Logarithmic functions represented by [tex]log_{b} x = y[/tex] means that [tex]x = b^{y}[/tex] where x > 0, b > 0, and b ≠ 1.

According to the quotient rule:

[tex]log_{b} ( \frac{M}{N} ) = log_{b}M - log_{b}N[/tex]

In the given problem, since both logs have the same base = 4, then we can model [tex]log_{4} 7 - log_{4} m[/tex] to the quotient rule, resulting in:

Quotient rule:  [tex]log_{b} ( \frac{M}{N} ) = log_{b}M - log_{b}N[/tex]

[tex]log_{4}7 - log_{4}m = log_{4} ( \frac{7}{m} )[/tex]

Therefore, the correct answer is Option 3: [tex]log_{4} (\frac{7}{m} )[/tex]