Question

простенький логарифм! пллз

Answer 1

$log_{2x+3}7=0.5\\ \sqrt{2x+3}=7\\ 2x+3=49\\ 2x=46\\ x=23$

Answer 2

$\sqrt{2x+3} = 7$
2x+3 = 49
2x = 46
x = 23
Ответ: 23

Answer 3

Logarithm

A logarithm is a mathematical function that represents the exponent to which a base number must be raised to obtain a given number. In other words, it is the inverse operation of exponentiation. The logarithm of a number x to the base b is denoted as log_b(x).

The logarithm function has various applications in mathematics, science, and engineering, including solving exponential equations, measuring the intensity of earthquakes, analyzing population growth, and calculating the time it takes for a substance to decay.

The most commonly used logarithms are the natural logarithm (base e) and the common logarithm (base 10). The natural logarithm is denoted as ln(x), while the common logarithm is denoted as log(x) or log10(x).

Here are a few examples to illustrate the concept of logarithms:

- The logarithm base 10 of 100 is 2, because 10^2 = 100. Therefore, log(100) = 2. - The natural logarithm of e is 1, because e^1 = e. Therefore, ln(e) = 1.

Logarithms have many properties and rules that govern their behavior, such as the product rule, quotient rule, and power rule. These rules allow for simplification and manipulation of logarithmic expressions.

Note: If you have any specific questions or need further clarification, feel free to ask!